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.
Open the basic text version — works without JavaScript and is suitable for printing.
Your private study tools
Track your learning with My Vocabulary
Use the three small controls beside any word. Your choices stay attached to your account and appear in your My Vocabulary record.
- Star a difficult word to practise it again.
- Check a word when you have learned it.
- Add a note with a memory clue, synonym, or reminder.
These controls work during your free visits and save privately on this browser. Sign in to move them into your account’s My Vocabulary record.
| # | Word | Details | Meaning | Sample sentence |
|---|---|---|---|---|
| 701 | accessible | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected. | προσιτός | The museum provides an accessible entrance and captions for its videos. |
| 702 | accountable | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action. | αρμόδιος | Elected officials are accountable to the public. |
| 703 | context-sensitive | adjective StudyField: Grade 9 precise high-utility word Word study: Term structure: context + sensitive. Study the complete expression as one field-specific unit. | βάσει συγκειμένου | The translation tool is context-sensitive and distinguishes bank as land from bank as an institution. |
| 704 | administrative | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | 1. διοικητικός 2. διαχειριστικός | The principal assigned the scheduling issue to administrative staff. |
| 705 | advisory | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: advisory is the dictionary headword; compare its inflected or derived forms in context. | γνωμοδοτικός | The weather agency issued an advisory notice about dangerous heat. |
| 706 | aggregated | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: aggregated is the dictionary headword; compare its inflected or derived forms in context. | συγκεντρωτικά | The report protects privacy by publishing only aggregated data. |
| 707 | substitutable | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action. | αντικαταστάσιμο | The two components are not substitutable because they require different voltages. |
| 708 | estimated | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: estimated is the dictionary headword; compare its inflected or derived forms in context. | εκτιμώμενος | The estimated repair cost may change after workers open the wall. |
| 709 | authoritative | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | αυθεντικός | The archive's catalog is an authoritative source for the manuscript's history. |
| 710 | advantageous | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by. | πλεονεκτικός | The sheltered harbor is advantageous for ships during storms. |
| 711 | serviceable | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action. | εξυπηρετικός | Although scratched, the old microscope remains serviceable. |
| 712 | collaborative | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | 1. συλλογικός 2. συνεργατικός | The collaborative project combines local knowledge with satellite data. |
| 713 | compatible | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected. | συμβατός | The replacement part is compatible with the original machine. |
| 714 | consecutive | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | επόμενος | The river exceeded flood level for three consecutive days. |
| 715 | constructive | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | εποικοδομητικός | The reviewer offered constructive criticism with specific revision ideas. |
| 716 | controversial | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: controversial is the dictionary headword; compare its inflected or derived forms in context. | αμφιλεγόμενος | The controversial proposal would relocate several families. |
| 717 | mutually supportive | adjective StudyField: Grade 9 precise high-utility word Word study: Term structure: mutually + supportive. Study the complete expression as one field-specific unit. | αλληλοϋποστηριζόμενα | The two programs are mutually supportive because one trains workers and the other creates jobs. |
| 718 | deficient | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: deficient is the dictionary headword; compare its inflected or derived forms in context. | έλλειψη | The diet was deficient in vitamin C. |
| 719 | characteristic | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: characteristic is the dictionary headword; compare its inflected or derived forms in context. | 1. χαρακτηριστικός 2. τυπικός | Dark volcanic soil is characteristic of the island. |
| 720 | detectable | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action. | ανιχνεύσιμο | The chemical is detectable in water at very low concentrations. |
| 721 | developmental | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: developmental is the dictionary headword; compare its inflected or derived forms in context. | αναπτυξιακός | The study examines developmental differences between early and late adolescence. |
| 722 | pluralistic | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: pluralistic is the dictionary headword; compare its inflected or derived forms in context. | πλουραλιστικός | A pluralistic society allows different religious communities to participate in public life. |
| 723 | effective | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | αποτελεσματικός | The new filter is effective at removing lead. |
| 724 | emergent | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: emergent is the dictionary headword; compare its inflected or derived forms in context. | ανακύψιμος | Traffic patterns are an emergent result of many individual driving decisions. |
| 725 | emphatic | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: emphatic is the dictionary headword; compare its inflected or derived forms in context. | κατηγορηματικός | Her emphatic refusal left no doubt about her position. |
| 726 | enforceable | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action. | επιβλητός | A vague promise may not be enforceable as a contract. |
| 727 | exclusive | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | αποκλειστικός | The interview contains exclusive information not reported elsewhere. |
| 728 | explanatory | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: explanatory is the dictionary headword; compare its inflected or derived forms in context. | επεξηγητικός | An explanatory caption describes how the machine works. |
| 729 | exploitative | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | εκμεταλλευτική | The investigation exposed exploitative labor conditions. |
| 730 | adjustable | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action. | ευκανόνιστος | The desk has an adjustable height. |
| 731 | inclusive | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | συμπεριληπτικός | The inclusive survey provides several ways to respond. |
| 732 | inescapable | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action. | 1. αναπόφευκτος 2. αναπόδραστος 3. άφευκτος | The financial cost is an inescapable part of the decision. |
| 733 | innovative | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | 1. καινοτόμος 2. νεωτεριστικός | The innovative roof collects rainwater and cools the building. |
| 734 | institutional | adjective StudyField: Grade 9 precise high-utility word Word study: Base-form focus: institutional is the dictionary headword; compare its inflected or derived forms in context. | θεσμικός | Institutional rules can continue even after individual leaders change. |
| 735 | interactive | adjective StudyField: Grade 9 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency. | 1. διαδραστικός 2. αλληλεπιδραστικός 3. διαλογικός | The interactive map displays new information when a region is selected. |
Vocabulary reading and practice
Page 21 vocabulary review
Vocabulary list page; expanded practice is coming later.
English reading
Reading passage is being prepared.
Greek translation
A reviewed translation is not available for this passage yet.
Vocabulary quiz
Choose the dictionary equivalent for each of 5 selected words.
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).