English Vocabulary · Grade 9 Live Review Preview

9th Grade Vocabulary Words

Ninth grade marks the transition to high-school reading and writing across literature, argument, research, biology, physical and Earth science, algebra, computing, world history, civics, and geography. This level develops precise academic and domain-specific vocabulary while strengthening context, nuance, source evaluation, figurative language, and evidence-based communication.

This independently authored 800-word beta curriculum is arranged in twenty-three pages of up to thirty-five words. Pages containing words 1–500 include five cloze questions drawn only from that enhanced range; words 501–800 remain fully visible and editable as list pages while the expanded practice layer is developed. Each row includes a subject-field label and an editable word-study note about a transparent affix, compound structure, capitalization, or dictionary base form. The cited Grade 9 resources calibrate difficulty and study skills only; all learner-facing definitions, examples, quizzes, and descriptions are original KSSR copy.

Please note: the vocabulary lists for grades 9~11 have been selected to ensure no overlap with the previous grade level. If the words are too specialized or difficult for you, please go back to grade levels 4~8 and review the words on those pages.

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Words 36–70 of 800
#	Word	Details	Meaning	Sample sentence
36	verifiability	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ability forms a noun for the capacity to have a quality or perform an action.	the quality of being capable of confirmation through evidence or observation	A precise citation increases the verifiability of a historical claim.
37	working hypothesis	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: working + hypothesis. Study the complete expression as one field-specific unit.	a provisional explanation used to guide further investigation	The team treated soil acidity as a working hypothesis rather than a proven cause.
38	exemplification	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	the use of a specific example to explain or support a general point	The essay uses exemplification by describing one neighborhood that reduced food waste.
39	qualification	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	a limitation or condition added to make a statement more accurate	The author adds a qualification because the policy does not affect every resident equally.
40	concession	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	an acknowledgment that part of an opposing position has merit	The debate response begins with a concession that the proposal would require extra funding.
41	rebuttal	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Base-form focus: rebuttal is the dictionary headword; compare its inflected or derived forms in context.	a reasoned answer that challenges an opposing claim	Her rebuttal shows that the cited survey excluded rural voters.
42	assertion	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	a confident statement presented as true	The article makes the assertion that the lake is clean but provides no water-quality data.
43	coherence	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ence commonly forms a noun naming an action, quality, or state.	the quality of forming a clear and logically connected whole	Repeated key terms give the essay coherence from one paragraph to the next.
44	supporting detail	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: supporting + detail. Study the complete expression as one field-specific unit.	a fact, example, explanation, or description that develops a main idea	The temperature record is a supporting detail for the paragraph about climate change.
45	peer review	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: peer + review. Study the complete expression as one field-specific unit.	evaluation of work by people with relevant knowledge at a similar professional level	Peer review prompted the researcher to clarify how participants were selected.
46	intellectual property	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: intellectual + property. Study the complete expression as one field-specific unit.	creative work or invention protected as belonging to its creator	A patent is one way the law can protect intellectual property.
47	paraphrasing	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Base-form focus: paraphrasing is the dictionary headword; compare its inflected or derived forms in context.	restating an idea fully in new wording while preserving its meaning	Effective paraphrasing changes both the vocabulary and the sentence structure of the source.
48	close reading	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: close + reading. Study the complete expression as one field-specific unit.	careful analysis of a text's words, structure, and details	A close reading of the final stanza reveals a shift from anger to acceptance.
49	context clue	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: context + clue. Study the complete expression as one field-specific unit.	information near an unfamiliar word that helps a reader infer its meaning	The phrase “unable to bend” provides a context clue for the word rigid.
50	reference work	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: reference + work. Study the complete expression as one field-specific unit.	a source designed for consultation, such as a dictionary, atlas, or encyclopedia	An etymological dictionary is a reference work for studying word origins.
51	root word	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: root + word. Study the complete expression as one field-specific unit.	a basic word from which related words are formed	Help is the root word in helpful and helpless.
52	conclusive	adjective Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	strong enough to settle a question or prove a result	One blurry photograph is not conclusive evidence that the rare bird has returned.
53	scrutiny	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Base-form focus: scrutiny is the dictionary headword; compare its inflected or derived forms in context.	close and critical examination	The budget came under scrutiny after auditors found several unexplained payments.
54	rationale	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Base-form focus: rationale is the dictionary headword; compare its inflected or derived forms in context.	the reasoning that explains a decision, method, or belief	The proposal states the rationale for preserving the wetland.
55	corroboration	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	independent evidence that supports a statement or finding	Phone records provided corroboration for the witness's account.
56	affirmative case	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: affirmative + case. Study the complete expression as one field-specific unit.	the organized arguments and evidence supporting a debate proposition	The affirmative case argues that later school start times improve student health.
57	burden of proof	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: burden + of + proof. Study the complete expression as one field-specific unit.	the responsibility to provide enough evidence for a claim	A person making an extraordinary accusation carries the burden of proof.
58	causal claim	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: causal + claim. Study the complete expression as one field-specific unit.	a statement that one event or condition produces another	The causal claim requires stronger evidence than the observation that two trends occur together.
59	counterevidence	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ence commonly forms a noun naming an action, quality, or state.	information that weakens or contradicts a claim	The colder years provide counterevidence to the proposed simple pattern.
60	counterpoint	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Prefix focus: counter- means against, opposing, or responding to.	a contrasting idea presented beside another for comparison	The memoir offers a counterpoint to the official version of the event.
61	faulty reasoning	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: faulty + reasoning. Study the complete expression as one field-specific unit.	thinking that contains a logical error or unsupported connection	The claim that one rainy day disproves climate change relies on faulty reasoning.
62	false analogy	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: false + analogy. Study the complete expression as one field-specific unit.	a comparison that treats importantly different things as if they were alike	Comparing a school to a prison is a false analogy when the differences are ignored.
63	false dilemma	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: false + dilemma. Study the complete expression as one field-specific unit.	an argument that presents only two choices when other options exist	The statement “support this plan or oppose all progress” creates a false dilemma.
64	hasty generalization	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: hasty + generalization. Study the complete expression as one field-specific unit.	a broad conclusion drawn from too little or unrepresentative evidence	Judging an entire city by one unpleasant visit is a hasty generalization.
65	loaded language	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: loaded + language. Study the complete expression as one field-specific unit.	wording chosen to provoke strong emotion or judgment	Calling a small fee an “outrageous theft” uses loaded language.
66	logical appeal	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: logical + appeal. Study the complete expression as one field-specific unit.	a persuasive strategy based on reasons, facts, and evidence	The report's logical appeal rests on cost comparisons and safety data.
67	emotional appeal	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: emotional + appeal. Study the complete expression as one field-specific unit.	a persuasive strategy designed to influence an audience's feelings	The rescue photograph creates an emotional appeal for donations.
68	ethical appeal	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: ethical + appeal. Study the complete expression as one field-specific unit.	a persuasive strategy based on the speaker's credibility or moral character	The physician builds an ethical appeal by describing her relevant experience and standards.
69	reasoned judgment	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: reasoned + judgment. Study the complete expression as one field-specific unit.	a decision reached by weighing evidence and relevant principles	After comparing the risks and benefits, the panel issued a reasoned judgment.
70	rebuttal evidence	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: rebuttal + evidence. Study the complete expression as one field-specific unit.	facts or examples used to answer an opposing argument	The later census figures serve as rebuttal evidence against the population claim.

Vocabulary reading and practice

Page 2 vocabulary review

Review five selected words from page 2.

Vocabulary quiz

Complete 5 review questions for this page.

1. The essay uses ___ by describing one neighborhood that reduced food waste.

Answer: exemplification

2. Help is the ___ in helpful and helpless.

Answer: root word

3. Judging an entire city by one unpleasant visit is a ___.

Answer: hasty generalization

4. The author adds a ___ because the policy does not affect every resident equally.

Answer: qualification

5. One blurry photograph is not ___ evidence that the rare bird has returned.

Answer: conclusive

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9th Grade Vocabulary Words

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