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 736–770 of 800
#	Word	Details	Meaning	Sample sentence
736	justifiable	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.	1. aiheellinen 2. oikeutettu 3. perusteltu	Temporary closure is justifiable when the bridge is unsafe.
737	legislative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	lakiasäätävä	The bill entered the legislative process.
738	manipulative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	manipuloiva	The manipulative advertisement hides important fees until checkout.
739	measurable	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.	mitattavissa	The program set a measurable goal of reducing waste by ten percent.
740	negotiable	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.	1. neuvoteltava 2. neuvoteltavissa oleva	The delivery date is negotiable, but the safety standard is not.
741	operational	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: operational is the dictionary headword; compare its inflected or derived forms in context.	1. toimiva 2. toimintakuntoinen 3. toimintakykyinen	The repaired water pump is operational again.
742	organizational	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: organizational is the dictionary headword; compare its inflected or derived forms in context.	1. organisointi- 2. organisatorinen 3. organisointi	Clear organizational roles reduced duplicated work.
743	perceptible	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected.	havaittava	A perceptible vibration began before the machine stopped.
744	preventive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	1. ennaltaehkäisevä 2. estävä	Preventive maintenance replaced the worn cable before it failed.
745	proximate	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: proximate is the dictionary headword; compare its inflected or derived forms in context.	läheinen	The proximate cause of the outage was a fallen power line.
746	regulatory	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: regulatory is the dictionary headword; compare its inflected or derived forms in context.	1. regulatiivinen 2. sääntely- 3. säätelevä	The agency has regulatory authority over drinking-water quality.
747	illustrative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	havainnollinen	The report includes an illustrative case from a small coastal town.
748	restrictive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	rajoittava	The drought led to restrictive rules on outdoor water use.
749	sequential	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: sequential is the dictionary headword; compare its inflected or derived forms in context.	peräkkäinen	The instructions present the repair steps in sequential order.
750	substantive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	1. oleellinen 2. olennainen	The revision makes a substantive change to tenant protections.
751	enduring	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: enduring is the dictionary headword; compare its inflected or derived forms in context.	kestävä	The court decision had an enduring influence on civil rights.
752	transmissible	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected.	tarttuva	The disease is transmissible through contaminated water.
753	auditable	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.	tarkastettavissa	Every purchase must leave an auditable trail.
754	underlying	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: underlying is the dictionary headword; compare its inflected or derived forms in context.	1. perus- 2. perustavanlaatuinen	The physician treated the underlying infection rather than only the fever.
755	additive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	additiivinen	The two small delays had an additive effect on travel time.
756	comparative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	1. suhteellinen 2. verrannollinen	The comparative essay considers how both novels portray exile.
757	competitive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	kilpailukykyinen	The company submitted a competitive bid for the project.
758	contextual	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: contextual is the dictionary headword; compare its inflected or derived forms in context.	1. asiayhteydellinen 2. kontekstuaalinen	Contextual evidence shows that “draft” refers to a preliminary document.
759	correlational	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: correlational is the dictionary headword; compare its inflected or derived forms in context.	korrelaatiota	The correlational study found that sleep and concentration changed together.
760	deliberative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	harkitsevaa	The citizens' panel used a deliberative process rather than a quick vote.
761	diagnostic	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: diagnostic is the dictionary headword; compare its inflected or derived forms in context.	diagnostinen	The mechanic ran a diagnostic test on the engine.
762	differential	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: differential is the dictionary headword; compare its inflected or derived forms in context.	1. erityinen 2. erityis- 3. erotus-	A pressure differential moves air through the vent.
763	distributive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	distributiivinen	The debate concerns distributive fairness in the tax system.
764	environmental	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: environmental is the dictionary headword; compare its inflected or derived forms in context.	1. ympäristöllinen 2. ympäristö 3. ympäristön	The review identifies environmental risks to the wetland.
765	evaluative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	arvioiva	The conclusion makes an evaluative claim about the policy's success.
766	inferential	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: inferential is the dictionary headword; compare its inflected or derived forms in context.	1. inferentiaalinen 2. päättelevä	Inferential statistics estimates population traits from sample data.
767	interpretative	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	tulkitseva	The museum's interpretative label connects the tool with daily village life.
768	methodological	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: methodological is the dictionary headword; compare its inflected or derived forms in context.	metodologinen	A methodological flaw made the comparison unreliable.
769	participatory	adjective Study Field: Grade 9 precise high-utility word Word study: Base-form focus: participatory is the dictionary headword; compare its inflected or derived forms in context.	1. osallistujille avoin 2. osallistumiselle avoin	Participatory planning invited residents to design the park.
770	predictive	adjective Study Field: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	ennustava	The predictive model estimates tomorrow's electricity demand.

Vocabulary reading and practice

Writing a Negotiable Proposal

Reading practice for pages 22–23. Five relevant words are highlighted.

English reading

A student council prepares a legislative proposal for later library hours. Its goal must be measurable, such as a documented increase in supervised study time. The writers avoid manipulative claims and support each cost with justifiable evidence. Because staffing remains negotiable, they offer several schedules instead of insisting on one fixed demand.

Finnish translation

A reviewed translation is not available for this passage yet.

Reading comprehension

1. What makes the proposal's goal measurable?

It names a documented increase in supervised study time.

2. What kind of claims do the writers avoid?

They avoid manipulative claims.

3. Why do they offer several schedules?

Staffing remains negotiable.

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Sources and curriculum references

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9th Grade Vocabulary Words

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