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.	검증 가능성	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.	작업 가설	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.	예증	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.	1. 단서 2. 한정 조건	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.	1. 양보 2. 부분 인정	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.	1. 반론 2. 반박	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.	1. 단정 2. 주장 3. 단언	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.	일관	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.	지원 세부정보	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.	동료 평가	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.	지적재산	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.	1. 바꾸어 쓰기 2. 자기 말로 다시 쓰기	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.	1. 정밀 독해 2. 꼼꼼히 읽기	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.	맥락 단서	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.	참고서(參考書)	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.	1. 어근 2. 기본어	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.	1. 결정적인 2. 확정적인	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.	1. 면밀한 검토 2. 정밀 조사	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.	1. 근거 2. 이유	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.	보강 증거	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.	1. 찬성 측 논증 2. 찬성 측 주장과 근거	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.	증거를 제시할 의무	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.	인과관계 주장	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.	반증	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.	1. 대조되는 관점 2. 대조점	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.	잘못된 추론	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.	거짓 유추	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.	잘못된 딜레마	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.	성급한 일반화	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.	1. 감정적 편견을 유도하는 표현 2. 편향된 표현	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.	논리적 호소	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.	정서적 호소	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.	1. 신뢰성에 대한 호소 2. 에토스	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.	합리적인 판단	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.	반박 증거	The later census figures serve as rebuttal evidence against the population claim.

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9th Grade Vocabulary Words

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