Set 111 · Study 1 / 5

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lucid

adjective/ˈluː.sɪd/

clear and easy to understand

The professor gave a lucid explanation of the complex theory, making it easy for the students to grasp the concepts.

clearunderstandablecoherent
word origin — from Latin 'lucidus', meaning 'light' or 'clear', derived from 'lux', meaning 'light'

SAT Vocabulary Level 2 — Set 111

Set 111 of SAT Vocabulary Level 2 covers 5 words: lucid, understandable, flammable, unwilling, fraught. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.

  1. lucid · adjective/ˈluː.sɪd/

    clear and easy to understand

    The professor gave a lucid explanation of the complex theory, making it easy for the students to grasp the concepts.

    Synonyms: clear, understandable, coherent

    Origin: from Latin 'lucidus', meaning 'light' or 'clear', derived from 'lux', meaning 'light'

  2. understandable · adjective/ˌʌndərˈstændəbl/

    capable of being understood

    It's completely understandable why she felt overwhelmed with all the changes happening at work.

    Synonyms: comprehensible, clear, intelligible

    Origin: From Middle English, combining 'understand' (from Old English 'understandan', meaning 'to stand among, to stand in the midst of', with 'able', from Latin 'habilis', meaning 'able' or 'capable of')

  3. flammable · adjective/ˈflæm.ə.bəl/

    capable of being easily ignited and burning quickly

    The warehouse stored a large quantity of flammable liquids, making it essential to follow all safety protocols.

    Synonyms: combustible, inflamed, ignition-prone

    Origin: Derived from the Latin 'flammare', which means 'to set on fire', combined with the suffix '-able', indicating capability.

  4. unwilling · adjective/ʌnˈwɪlɪŋ/

    not ready or eager to do something

    She was unwilling to share her personal information with strangers.

    Synonyms: disinclined, reluctant, resistant

    Origin: from un- 'not' + willing

  5. fraught · adjective/frɔt/

    filled with or likely to result in something undesirable

    The project was fraught with difficulties, causing delays and budget overruns.

    Synonyms: laden, filled, burdened

    Origin: Middle English 'fraught', from Old English 'frāht' meaning 'to bear' or 'to load'