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 |
|---|---|---|---|---|
| 771 | procedural | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: procedural is the dictionary headword; compare its inflected or derived forms in context. | relating to an established method or sequence of actions | A procedural error invalidated the vote count. |
| 772 | relational | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: relational is the dictionary headword; compare its inflected or derived forms in context. | concerning connections among people, ideas, or data | The database uses relational links between customers and orders. |
| 773 | structural | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: structural is the dictionary headword; compare its inflected or derived forms in context. | relating to the arrangement, framework, or load-bearing parts of something | The earthquake caused structural damage to two columns. |
| 774 | systematic | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: systematic is the dictionary headword; compare its inflected or derived forms in context. | carried out according to an organized and consistent method | The researchers conducted a systematic search of every archive. |
| 775 | transferable | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action. | capable of being moved or applied to another person, place, or situation | Clear writing is a transferable skill useful across subjects. |
| 776 | unbiased | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: unbiased is the dictionary headword; compare its inflected or derived forms in context. | not unfairly favoring one side, group, or result | A random process aims to produce an unbiased sample. |
| 777 | verifiable | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action. | capable of being checked and confirmed with evidence | The article includes verifiable dates and public records. |
| 778 | coordinated | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: coordinated is the dictionary headword; compare its inflected or derived forms in context. | organized so that separate people or parts work together effectively | A coordinated response delivered food and medicine to isolated towns. |
| 779 | interdisciplinary | adjective StudyField: Grade 9 precise high-utility word Word study: Prefix focus: inter- means between or among. | combining knowledge or methods from more than one field of study | The interdisciplinary course connects ecology, economics, and public policy. |
| 780 | multidisciplinary | adjective StudyField: Grade 9 precise high-utility word Word study: Prefix focus: multi- means many. | involving specialists from several fields who contribute their distinct expertise | A multidisciplinary team of engineers, doctors, and designers developed the device. |
| 781 | accrue | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: accrue is the dictionary headword; compare its inflected or derived forms in context. | to accumulate or become due gradually over time | Interest will accrue each month that the balance remains unpaid. |
| 782 | administer | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: administer is the dictionary headword; compare its inflected or derived forms in context. | to manage, direct, or formally provide something | Trained nurses administer the vaccine. |
| 783 | rectify | verb StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ify commonly forms a verb meaning to make or become. | to correct something that is wrong or inaccurate | The publisher issued a notice to rectify the mislabeled chart. |
| 784 | arbitrate | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: arbitrate is the dictionary headword; compare its inflected or derived forms in context. | to hear a dispute and make or help reach a decision | An independent panel will arbitrate the contract disagreement. |
| 785 | authenticate | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: authenticate is the dictionary headword; compare its inflected or derived forms in context. | to verify that something or someone is genuine | Experts authenticate the painting by examining pigments and ownership records. |
| 786 | centralize | verb StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ize commonly forms a verb meaning to make, become, or apply. | to bring authority, services, or operations under one central control | The district will centralize purchasing to reduce duplicate orders. |
| 787 | circulate | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: circulate is the dictionary headword; compare its inflected or derived forms in context. | to move continuously through a system or distribute among people | The pump will circulate warm water through the building. |
| 788 | reimburse | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: reimburse is the dictionary headword; compare its inflected or derived forms in context. | to repay money spent or lost for an approved reason | The organization will reimburse volunteers for train fares. |
| 789 | conform | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: conform is the dictionary headword; compare its inflected or derived forms in context. | to match a rule, standard, pattern, or expectation | All helmets must conform to the updated safety standard. |
| 790 | synchronize | verb StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ize commonly forms a verb meaning to make, become, or apply. | to arrange events or devices so they occur or operate at the same time | The technicians synchronize the clocks before collecting measurements. |
| 791 | correspond | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: correspond is the dictionary headword; compare its inflected or derived forms in context. | to match, relate closely, or communicate through messages | Each colored line should correspond to one category in the key. |
| 792 | deactivate | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: deactivate is the dictionary headword; compare its inflected or derived forms in context. | to make a device, system, or process inactive | The code will deactivate the alarm after identity verification. |
| 793 | decentralize | verb StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ize commonly forms a verb meaning to make, become, or apply. | to distribute authority or operations away from one central body | The reform will decentralize health services to regional offices. |
| 794 | designate | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: designate is the dictionary headword; compare its inflected or derived forms in context. | to officially name, assign, or mark something for a particular purpose | The city will designate the wetland as a protected area. |
| 795 | make public | verb StudyField: Grade 9 precise high-utility word Word study: Term structure: make + public. Study the complete expression as one field-specific unit. | to disclose information openly to the community | The agency must make public the final inspection report. |
| 796 | diversify | verb StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ify commonly forms a verb meaning to make or become. | to add variety in order to expand options or reduce dependence | The farm will diversify by growing grains, fruit, and vegetables. |
| 797 | enforce | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: enforce is the dictionary headword; compare its inflected or derived forms in context. | to make sure a law, rule, or agreement is obeyed | Inspectors enforce limits on unsafe emissions. |
| 798 | amplify | verb StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ify commonly forms a verb meaning to make or become. | to increase the strength, volume, or effect of something | The curved wall can amplify sound across the theater. |
| 799 | exclude | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: exclude is the dictionary headword; compare its inflected or derived forms in context. | to leave out or prevent from entering or participating | A study should not exclude relevant evidence merely because it challenges the hypothesis. |
| 800 | leverage | verb StudyField: Grade 9 precise high-utility word Word study: Base-form focus: leverage is the dictionary headword; compare its inflected or derived forms in context. | to use a resource or advantage effectively to achieve a result | The town will leverage its rail connection to attract new businesses. |
Vocabulary reading and practice
Page 23 vocabulary review
Vocabulary list page; expanded practice is coming later.
English reading
Reading passage is being prepared.
Translation
Vocabulary quiz
Complete 5 review questions for this page.
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).

