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 666–700 of 800
#	Word	Details	Meaning	Sample sentence
666	stability	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	estabilidade	A wide base improves the tower's stability.
667	sufficiency	noun Study Field: Grade 9 precise high-utility word Word study: Base-form focus: sufficiency is the dictionary headword; compare its inflected or derived forms in context.	suficiência	Auditors examined the sufficiency of evidence supporting the expense.
668	long-term viability	noun Study Field: Grade 9 precise high-utility word Word study: Term structure: long + term + viability. Study the complete expression as one field-specific unit.	viabilidade a longo prazo	Reliable water access is essential to the town's long-term viability.
669	information transfer	noun Study Field: Grade 9 precise high-utility word Word study: Term structure: information + transfer. Study the complete expression as one field-specific unit.	transferência de informações	Fiber-optic cables allow rapid information transfer.
670	utilization	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ization forms a noun for a process of making or becoming.	utilização	The clinic tracked utilization of its evening services.
671	constitutional amendment	noun Study Field: Grade 9 precise high-utility word Word study: Term structure: constitutional + amendment. Study the complete expression as one field-specific unit.	emenda constitucional	The constitutional amendment extended voting rights.
672	beneficiary	noun Study Field: Grade 9 precise high-utility word Word study: Base-form focus: beneficiary is the dictionary headword; compare its inflected or derived forms in context.	1. beneficiário 2. beneficiado	Each scholarship beneficiary receives tuition and mentoring.
673	compliance	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ance commonly forms a noun naming an action, quality, or state.	cumprimento	The audit confirmed compliance with workplace safety law.
674	consultation	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	consulta	The council held a public consultation before changing the bus route.
675	deliberation	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	deliberação	After two days of deliberation, the jury reached a verdict.
676	designation	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	designação	The area's designation as a marine reserve limits fishing.
677	disclosure	noun Study Field: Grade 9 precise high-utility word Word study: Base-form focus: disclosure is the dictionary headword; compare its inflected or derived forms in context.	exposição	Financial disclosure reveals whether an official has related business interests.
678	professional discretion	noun Study Field: Grade 9 precise high-utility word Word study: Term structure: professional + discretion. Study the complete expression as one field-specific unit.	discrição profissional	A physician uses professional discretion when adapting general guidance to a patient's needs.
679	eligibility	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ibility forms a noun for the capacity to have a quality or perform an action.	elegibilidade	Applicants must prove eligibility for the reduced fee.
680	exemption	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	isenção	The law grants an exemption for emergency vehicles.
681	feasibility	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ibility forms a noun for the capacity to have a quality or perform an action.	possibilidade	The pilot program tests the feasibility of electric buses on steep routes.
682	legal jurisdiction	noun Study Field: Grade 9 precise high-utility word Word study: Term structure: legal + jurisdiction. Study the complete expression as one field-specific unit.	jurisdição legal	The dispute concerns which court has legal jurisdiction.
683	liability	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	1. responsabilidade 2. obrigação 3. dívida	The company accepted liability for the defective product.
684	oversight	noun Study Field: Grade 9 precise high-utility word Word study: Base-form focus: oversight is the dictionary headword; compare its inflected or derived forms in context.	1. superintendência 2. chefia 3. monitoração	Independent oversight found weaknesses in the purchasing process.
685	precedence	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ence commonly forms a noun naming an action, quality, or state.	precedência	During an evacuation, human safety takes precedence over property protection.
686	operating procedure	noun Study Field: Grade 9 precise high-utility word Word study: Term structure: operating + procedure. Study the complete expression as one field-specific unit.	procedimento operacional	The operating procedure requires two checks before the valve opens.
687	procurement	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ment commonly forms a noun for an action, process, state, or result.	1. obtenção 2. aquisição	Public procurement rules require fair competition among suppliers.
688	provision	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	1. provisão 2. mantimento	One provision of the contract requires monthly safety reports.
689	recommendation	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	1. recomendação 2. recomendaçõe	The panel's recommendation is to repair rather than replace the bridge.
690	requirement	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ment commonly forms a noun for an action, process, state, or result.	pedido	A laboratory report is a graduation requirement.
691	technical specification	noun Study Field: Grade 9 precise high-utility word Word study: Term structure: technical + specification. Study the complete expression as one field-specific unit.	especificação técnica	The battery failed to meet the technical specification for cold weather.
692	standardization	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ization forms a noun for a process of making or becoming.	1. padronização 2. estandardização 3. standardização	Measurement standardization allows laboratories to compare results.
693	transparency	noun Study Field: Grade 9 precise high-utility word Word study: Base-form focus: transparency is the dictionary headword; compare its inflected or derived forms in context.	transparência	Publishing meeting records increases government transparency.
694	implementation	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	implementação	Training began before implementation of the new safety policy.
695	policy initiative	noun Study Field: Grade 9 precise high-utility word Word study: Term structure: policy + initiative. Study the complete expression as one field-specific unit.	iniciativa política	The housing policy initiative funds repairs to vacant buildings.
696	institutionalization	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ization forms a noun for a process of making or becoming.	institucionalização	Institutionalization of annual audits made financial review routine.
697	authorization	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ization forms a noun for a process of making or becoming.	autorização	Workers need written authorization to enter the restricted area.
698	identity verification	noun Study Field: Grade 9 precise high-utility word Word study: Term structure: identity + verification. Study the complete expression as one field-specific unit.	verificação de identidade	The bank uses identity verification before changing account details.
699	mediation	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	mediação	Mediation helped the neighbors settle the boundary dispute.
700	reconciliation	noun Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	conciliação	The commission supported reconciliation by documenting abuses and hearing survivors.

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9th Grade Vocabulary Words

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