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9th-grade-vocabulary-words

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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800 words
Words 771–800 of 800
#WordDetailsMeaningSample sentence
771proceduraladjective
Study

Field: 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 actionsA procedural error invalidated the vote count.
772relationaladjective
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Field: 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 dataThe database uses relational links between customers and orders.
773structuraladjective
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Field: 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 somethingThe earthquake caused structural damage to two columns.
774systematicadjective
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Field: 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 methodThe researchers conducted a systematic search of every archive.
775transferableadjective
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Field: 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 situationClear writing is a transferable skill useful across subjects.
776unbiasedadjective
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Field: 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 resultA random process aims to produce an unbiased sample.
777verifiableadjective
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Field: 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 evidenceThe article includes verifiable dates and public records.
778coordinatedadjective
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Field: 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 effectivelyA coordinated response delivered food and medicine to isolated towns.
779interdisciplinaryadjective
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Field: 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 studyThe interdisciplinary course connects ecology, economics, and public policy.
780multidisciplinaryadjective
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Field: Grade 9 precise high-utility word

Word study: Prefix focus: multi- means many.

involving specialists from several fields who contribute their distinct expertiseA multidisciplinary team of engineers, doctors, and designers developed the device.
781accrueverb
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Field: 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 timeInterest will accrue each month that the balance remains unpaid.
782administerverb
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Field: 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 somethingTrained nurses administer the vaccine.
783rectifyverb
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Field: 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 inaccurateThe publisher issued a notice to rectify the mislabeled chart.
784arbitrateverb
Study

Field: 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 decisionAn independent panel will arbitrate the contract disagreement.
785authenticateverb
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Field: 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 genuineExperts authenticate the painting by examining pigments and ownership records.
786centralizeverb
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Field: 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 controlThe district will centralize purchasing to reduce duplicate orders.
787circulateverb
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Field: 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 peopleThe pump will circulate warm water through the building.
788reimburseverb
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Field: 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 reasonThe organization will reimburse volunteers for train fares.
789conformverb
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Field: 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 expectationAll helmets must conform to the updated safety standard.
790synchronizeverb
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Field: 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 timeThe technicians synchronize the clocks before collecting measurements.
791correspondverb
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Field: 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 messagesEach colored line should correspond to one category in the key.
792deactivateverb
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Field: 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 inactiveThe code will deactivate the alarm after identity verification.
793decentralizeverb
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Field: 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 bodyThe reform will decentralize health services to regional offices.
794designateverb
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Field: 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 purposeThe city will designate the wetland as a protected area.
795make publicverb
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Field: 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 communityThe agency must make public the final inspection report.
796diversifyverb
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Field: 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 dependenceThe farm will diversify by growing grains, fruit, and vegetables.
797enforceverb
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Field: 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 obeyedInspectors enforce limits on unsafe emissions.
798amplifyverb
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Field: 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 somethingThe curved wall can amplify sound across the theater.
799excludeverb
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Field: 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 participatingA study should not exclude relevant evidence merely because it challenges the hypothesis.
800leverageverb
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Field: 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 resultThe town will leverage its rail connection to attract new businesses.

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.