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 701–735 of 800
#	Word	Details	Meaning	Sample sentence
701	accessible	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected.	able to be reached, entered, used, or understood	The museum provides an accessible entrance and captions for its videos.
702	accountable	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.	required to explain actions and accept responsibility for results	Elected officials are accountable to the public.
703	context-sensitive	adjective Study Field: Grade 9 precise high-utility word Word study: Term structure: context + sensitive. Study the complete expression as one field-specific unit.	changing appropriately according to the surrounding situation or information	The translation tool is context-sensitive and distinguishes bank as land from bank as an institution.
704	administrative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	relating to the management and organization of an institution	The principal assigned the scheduling issue to administrative staff.
705	advisory	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: advisory is the dictionary headword; compare its inflected or derived forms in context.	providing guidance rather than issuing a binding command	The weather agency issued an advisory notice about dangerous heat.
706	aggregated	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: aggregated is the dictionary headword; compare its inflected or derived forms in context.	collected and combined into a total or larger group	The report protects privacy by publishing only aggregated data.
707	substitutable	adjective Study 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 replaced by something serving the same function	The two components are not substitutable because they require different voltages.
708	estimated	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: estimated is the dictionary headword; compare its inflected or derived forms in context.	calculated approximately from available information	The estimated repair cost may change after workers open the wall.
709	authoritative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	reliable and well supported because of recognized knowledge or official status	The archive's catalog is an authoritative source for the manuscript's history.
710	advantageous	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	creating a favorable condition or useful benefit	The sheltered harbor is advantageous for ships during storms.
711	serviceable	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.	usable and capable of performing its intended function	Although scratched, the old microscope remains serviceable.
712	collaborative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	involving people working together toward a shared result	The collaborative project combines local knowledge with satellite data.
713	compatible	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected.	able to exist or work together without conflict	The replacement part is compatible with the original machine.
714	consecutive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	following one after another without interruption	The river exceeded flood level for three consecutive days.
715	constructive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	useful and intended to improve a situation	The reviewer offered constructive criticism with specific revision ideas.
716	controversial	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: controversial is the dictionary headword; compare its inflected or derived forms in context.	causing strong public disagreement	The controversial proposal would relocate several families.
717	mutually supportive	adjective Study Field: Grade 9 precise high-utility word Word study: Term structure: mutually + supportive. Study the complete expression as one field-specific unit.	providing reciprocal help or benefit	The two programs are mutually supportive because one trains workers and the other creates jobs.
718	deficient	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: deficient is the dictionary headword; compare its inflected or derived forms in context.	lacking a necessary amount, quality, or feature	The diet was deficient in vitamin C.
719	characteristic	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: characteristic is the dictionary headword; compare its inflected or derived forms in context.	typical of a particular person, group, or thing	Dark volcanic soil is characteristic of the island.
720	detectable	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.	able to be discovered, measured, or noticed	The chemical is detectable in water at very low concentrations.
721	developmental	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: developmental is the dictionary headword; compare its inflected or derived forms in context.	relating to growth or change across stages	The study examines developmental differences between early and late adolescence.
722	pluralistic	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: pluralistic is the dictionary headword; compare its inflected or derived forms in context.	including and respecting several groups, beliefs, or forms	A pluralistic society allows different religious communities to participate in public life.
723	effective	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	successful in producing the intended result	The new filter is effective at removing lead.
724	emergent	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: emergent is the dictionary headword; compare its inflected or derived forms in context.	newly appearing or arising from interactions among parts	Traffic patterns are an emergent result of many individual driving decisions.
725	emphatic	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: emphatic is the dictionary headword; compare its inflected or derived forms in context.	expressed with forceful clarity or strong stress	Her emphatic refusal left no doubt about her position.
726	enforceable	adjective Study 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 required or upheld through law or authority	A vague promise may not be enforceable as a contract.
727	exclusive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	limited to particular people, uses, or categories	The interview contains exclusive information not reported elsewhere.
728	explanatory	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: explanatory is the dictionary headword; compare its inflected or derived forms in context.	intended or able to make causes, processes, or meanings clear	An explanatory caption describes how the machine works.
729	exploitative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	using people or resources unfairly for advantage	The investigation exposed exploitative labor conditions.
730	adjustable	adjective Study 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 changed to suit different needs or conditions	The desk has an adjustable height.
731	inclusive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	designed to welcome or consider people across differences	The inclusive survey provides several ways to respond.
732	inescapable	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.	impossible to avoid or ignore	The financial cost is an inescapable part of the decision.
733	innovative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	introducing an effective new method, idea, or design	The innovative roof collects rainwater and cools the building.
734	institutional	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: institutional is the dictionary headword; compare its inflected or derived forms in context.	relating to an established organization or social system	Institutional rules can continue even after individual leaders change.
735	interactive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	allowing two-way action, response, or influence	The interactive map displays new information when a region is selected.

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9th Grade Vocabulary Words

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