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plausibility

noun/plɔˈzɪb.ə.lɪ.ti/

the quality of being reasonable or probable

The plausibility of her story was questioned by the jury after discovering inconsistencies in her testimony.

believabilityreasonablelikelihood
word origin — from Latin 'plausibilis', meaning 'worthy of applause' or 'worthy of acceptance'

IELTS Vocabulary — Set 15

Set 15 of IELTS Vocabulary covers 5 words: plausibility, repressiveness, sword, isolation, extravagance. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.

  1. plausibility · noun/plɔˈzɪb.ə.lɪ.ti/

    the quality of being reasonable or probable

    The plausibility of her story was questioned by the jury after discovering inconsistencies in her testimony.

    Synonyms: believability, reasonable, likelihood

    Origin: from Latin 'plausibilis', meaning 'worthy of applause' or 'worthy of acceptance'

  2. repressiveness · noun/rɪˈprɛsɪvnəs/

    the state of being restrictive or holding back individual freedoms

    The citizens organized protests to challenge the government's repressiveness regarding free speech.

    Synonyms: oppression, suppression, constraint

    Origin: The word 'repressiveness' originates from the verb 'repress', which comes from the Latin 'reprimere', meaning 'to hold back' or 'to crush down'. The suffix '-ness' is used to form nouns indicating a state or condition.

  3. sword · noun/sɔrd/

    a weapon with a long metal blade and a hilt used for cutting or thrusting

    The knight drew his sword and prepared to defend the kingdom from the invaders.

    Synonyms: blade, cutlass, rapier

    Origin: Old English 'sweord', related to the Proto-Germanic '*sweord' and Proto-Indo-European '*seh₂wrd' meaning 'to cut'.

  4. isolation · noun/ˌaɪ.səˈleɪ.ʃən/

    the state of being separated from others

    The long periods of isolation during the pandemic had a significant impact on people's mental health.

    Synonyms: seclusion, solitude, confinement

    Origin: From Latin 'insulatio', which comes from 'insula' meaning 'island'.

  5. extravagance · noun/ɪkˈstrævəɡəns/

    excessive or wasteful spending or behavior

    The company's extravagance in hosting lavish parties led to a significant decrease in profits.

    Synonyms: lavishness, opulence, prodigality

    Origin: from Latin 'extravagantia', meaning 'extravagance, wandering' from 'extravagari' meaning 'to wander beyond'