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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| # | Word | Details | Meaning | Sample sentence |
|---|---|---|---|---|
| 36 | verifiability | noun StudyField: 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. | 検証可能性 | A precise citation increases the verifiability of a historical claim. |
| 37 | working hypothesis | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: working + hypothesis. Study the complete expression as one field-specific unit. | 作業仮説 | The team treated soil acidity as a working hypothesis rather than a proven cause. |
| 38 | exemplification | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result. | 例 | The essay uses exemplification by describing one neighborhood that reduced food waste. |
| 39 | qualification | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result. | 資格 | The author adds a qualification because the policy does not affect every resident equally. |
| 40 | concession | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result. | 租界 | The debate response begins with a concession that the proposal would require extra funding. |
| 41 | rebuttal | noun StudyField: 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. | 反論 | Her rebuttal shows that the cited survey excluded rural voters. |
| 42 | assertion | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result. | 主張 | The article makes the assertion that the lake is clean but provides no water-quality data. |
| 43 | coherence | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ence commonly forms a noun naming an action, quality, or state. | 関係 | Repeated key terms give the essay coherence from one paragraph to the next. |
| 44 | supporting detail | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: supporting + detail. Study the complete expression as one field-specific unit. | サポート詳細 | The temperature record is a supporting detail for the paragraph about climate change. |
| 45 | peer review | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: peer + review. Study the complete expression as one field-specific unit. | 査読 | Peer review prompted the researcher to clarify how participants were selected. |
| 46 | intellectual property | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: intellectual + property. Study the complete expression as one field-specific unit. | 知的財産 | A patent is one way the law can protect intellectual property. |
| 47 | paraphrasing | noun StudyField: 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. | 言い換える | Effective paraphrasing changes both the vocabulary and the sentence structure of the source. |
| 48 | close reading | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: close + reading. Study the complete expression as one field-specific unit. | 精読 | A close reading of the final stanza reveals a shift from anger to acceptance. |
| 49 | context clue | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: context + clue. Study the complete expression as one field-specific unit. | 文脈の手掛かり | The phrase “unable to bend” provides a context clue for the word rigid. |
| 50 | reference work | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: reference + work. Study the complete expression as one field-specific unit. | 参考図書 | An etymological dictionary is a reference work for studying word origins. |
| 51 | root word | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: root + word. Study the complete expression as one field-specific unit. | ルートワード | Help is the root word in helpful and helpless. |
| 52 | conclusive | adjective StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | 決定的 | One blurry photograph is not conclusive evidence that the rare bird has returned. |
| 53 | scrutiny | noun StudyField: 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. | 精査 | The budget came under scrutiny after auditors found several unexplained payments. |
| 54 | rationale | noun StudyField: 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. | 所為 | The proposal states the rationale for preserving the wetland. |
| 55 | corroboration | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result. | 確認 | Phone records provided corroboration for the witness's account. |
| 56 | affirmative case | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: affirmative + case. Study the complete expression as one field-specific unit. | 肯定的な場合 | The affirmative case argues that later school start times improve student health. |
| 57 | burden of proof | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: burden + of + proof. Study the complete expression as one field-specific unit. | 証拠を提示する義務 | A person making an extraordinary accusation carries the burden of proof. |
| 58 | causal claim | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: causal + claim. Study the complete expression as one field-specific unit. | 因果関係の主張 | The causal claim requires stronger evidence than the observation that two trends occur together. |
| 59 | counterevidence | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ence commonly forms a noun naming an action, quality, or state. | 反証 | The colder years provide counterevidence to the proposed simple pattern. |
| 60 | counterpoint | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Prefix focus: counter- means against, opposing, or responding to. | 対位法 | The memoir offers a counterpoint to the official version of the event. |
| 61 | faulty reasoning | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: faulty + reasoning. Study the complete expression as one field-specific unit. | 誤った推論 | The claim that one rainy day disproves climate change relies on faulty reasoning. |
| 62 | false analogy | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: false + analogy. Study the complete expression as one field-specific unit. | 誤った例え | Comparing a school to a prison is a false analogy when the differences are ignored. |
| 63 | false dilemma | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: false + dilemma. Study the complete expression as one field-specific unit. | 誤ったジレンマ | The statement “support this plan or oppose all progress” creates a false dilemma. |
| 64 | hasty generalization | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: hasty + generalization. Study the complete expression as one field-specific unit. | 性急な一般化 | Judging an entire city by one unpleasant visit is a hasty generalization. |
| 65 | loaded language | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: loaded + language. Study the complete expression as one field-specific unit. | ロードされた言語 | Calling a small fee an “outrageous theft” uses loaded language. |
| 66 | logical appeal | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: logical + appeal. Study the complete expression as one field-specific unit. | 論理的なアピール | The report's logical appeal rests on cost comparisons and safety data. |
| 67 | emotional appeal | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: emotional + appeal. Study the complete expression as one field-specific unit. | 感情に訴えかける | The rescue photograph creates an emotional appeal for donations. |
| 68 | ethical appeal | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: ethical + appeal. Study the complete expression as one field-specific unit. | 倫理的アピール | The physician builds an ethical appeal by describing her relevant experience and standards. |
| 69 | reasoned judgment | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: reasoned + judgment. Study the complete expression as one field-specific unit. | 合理的な判断 | After comparing the risks and benefits, the panel issued a reasoned judgment. |
| 70 | rebuttal evidence | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: rebuttal + evidence. Study the complete expression as one field-specific unit. | 反証証拠 | 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.
English reading
Reading passage is being prepared.
Japanese translation
A reviewed translation is not available for this passage yet.
Vocabulary quiz
Choose the dictionary equivalent for each of 5 selected words.
Vocabulary chart page
This page focuses on the word chart. Reading passages appear once in each three-page group, while cloze quizzes remain in the established enhanced range for this level.
Sources and curriculum references
These references guide selection and calibration. Definitions, sample sentences, readings, questions, and teaching notes are independently written and reviewed.
- GreatSchools: 9th Grade Vocabulary Words
- Victoria University of Wellington: Coxhead Academic Word List
- Common Core: Language Standards for Grades 9–10
- Common Core: Science and Technical Subjects, Grades 9–10
- WikDict downloadable bilingual dictionaries
- Kaikki.org / Wiktextract machine-readable Wiktionary data
- Language-Learning-decks public flashcard datasets
- SBBIC English-to-Khmer Dictionary
- English–Khmer Dictionary Dataset (machine-generated Khmer fallback; human review required)
- PanLex meanings snapshot (direct CC0 gap candidates; human review required)
- Cambridge bilingual dictionaries (individual editorial sense checks)
- Collins English–Hindi Dictionary (individual editorial checks)
- Hindwi and Rekhta dictionaries (individual Hindi/Urdu checks)
- National Institute of Korean Language: Basic Korean Dictionary
- JMdict/EDRDG Japanese dictionary project
- CC-CEDICT Chinese dictionary project
- VDict Vietnamese Dictionary (individual editorial check)
- Google Translate (machine-assisted lesson-reading draft; fluent review required)
- Kuperman et al.: Age-of-acquisition ratings for 30,000 English words
- The Princeton Review, Word Smart (2006 and 2012 editions; bibliographic calibration only).

