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taciturn

adjective/ˈtæs.ɪ.tɜrn/

reserved or uncommunicative in speech

Despite being surrounded by a lively group, Mark remained taciturn, rarely contributing to the conversation.

reticentsilentreserved
word origin — from Latin 'tacitus' meaning 'silent'

SAT Vocabulary Level 3 — Set 77

Set 77 of SAT Vocabulary Level 3 covers 5 words: taciturn, unchallenged, docile, calamitous, soporific. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.

  1. taciturn · adjective/ˈtæs.ɪ.tɜrn/

    reserved or uncommunicative in speech

    Despite being surrounded by a lively group, Mark remained taciturn, rarely contributing to the conversation.

    Synonyms: reticent, silent, reserved

    Origin: from Latin 'tacitus' meaning 'silent'

  2. unchallenged · adjective/ʌnˈtʃælɪndʒd/

    not disputed or questioned

    In her field of research, her theories remain unchallenged by her peers, establishing her as a leading expert.

    Synonyms: uncontested, undisputed, unanswered

    Origin: The word 'unchallenged' is derived from the prefix 'un-' meaning 'not,' combined with 'challenged,' which comes from the Old French 'chalenge' meaning 'to accuse or bring to question,' originating from Latin 'calumnia,' meaning 'slander.'

  3. docile · adjective/ˈdɑː.səl/

    easily taught or managed; submissive

    The docile puppy quickly learned all of its commands, making it a joy for the family to train.

    Synonyms: obedient, submissive, pliable

    Origin: from Latin 'docilis', meaning 'easily taught', from 'docere', meaning 'to teach'

  4. calamitous · adjective/kəˈlæmɪtəs/

    causing great damage or distress

    The calamitous consequences of the hurricane left the entire town in ruins.

    Synonyms: disastrous, catastrophic, detrimental

    Origin: The word 'calamitous' originates from the Latin 'calamitosus', from 'calamitas', meaning 'disaster' or 'misfortune'.

  5. soporific · adjective/ˌsɑːpəˈrɪfɪk/

    causing or tending to cause sleep

    The lecture on ancient philosophy was so soporific that several students fell asleep before it even ended.

    Synonyms: sleep-inducing, sedative, calming

    Origin: from Latin 'sopor' meaning 'deep sleep'