Set 151 · Study 1 / 5

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brittle

adjective/ˈbrɪt̬.əl/

easily broken or shattered

The brittle glass shattered into tiny pieces when it hit the floor.

fragilebreakabledelicate
word origin — Middle English 'britil', from Old English 'bryttel', a variant of 'brytan' meaning to break.

SAT Vocabulary Level 2 — Set 151

Set 151 of SAT Vocabulary Level 2 covers 5 words: brittle, lax, onerous, terrestrial, immutable. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.

  1. brittle · adjective/ˈbrɪt̬.əl/

    easily broken or shattered

    The brittle glass shattered into tiny pieces when it hit the floor.

    Synonyms: fragile, breakable, delicate

    Origin: Middle English 'britil', from Old English 'bryttel', a variant of 'brytan' meaning to break.

  2. lax · adjective/læks/

    not strict or severe; lenient

    The school has been criticized for its lax enforcement of rules regarding attendance.

    Synonyms: lenient, relaxed, permissive

    Origin: from Latin 'laxus' meaning 'loose, wide, or slack'

  3. onerous · adjective/ˈoʊ.nər.əs/

    burdensome or oppressive in a way that involves a lot of effort or difficulty

    The onerous task of organizing the charity event left her feeling exhausted after weeks of planning.

    Synonyms: burdensome, oppressive, taxing

    Origin: from Latin 'onerous', meaning 'burdensome', derived from 'onus', meaning 'burden'

  4. terrestrial · adjective/tɛˈrɛs.tɚ.əl/

    relating to the earth or land

    The scientists studied the effects of climate change on terrestrial ecosystems to understand how land-based species are adapting.

    Synonyms: earthly, land-based, global

    Origin: from Latin 'terrestris', from 'terra' meaning 'earth'

  5. immutable · adjective/ɪˈmjuː.t̬ə.bəl/

    unable to be changed or altered

    The laws of physics are considered immutable, governing the universe in ways that cannot be altered.

    Synonyms: unchangeable, unalterable, fixed

    Origin: from Latin 'immutabilis', meaning 'not able to change', from 'in-' (not) + 'mutabilis' (changeable)