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nefarious

adjective/nəˈfɛriəs/

wicked or criminal in nature

The villain had a nefarious plan to steal all the money from the bank.

wickedevilsinful
word origin — from Latin 'nefarious', meaning 'wicked, villainous', derived from 'ne-' (not) + 'fas' (right, lawful)

Word Master — Set 1

Set 1 of Word Master covers 5 words: nefarious, copious, irreproachable, decorous, pious. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.

  1. nefarious · adjective/nəˈfɛriəs/

    wicked or criminal in nature

    The villain had a nefarious plan to steal all the money from the bank.

    Synonyms: wicked, evil, sinful

    Origin: from Latin 'nefarious', meaning 'wicked, villainous', derived from 'ne-' (not) + 'fas' (right, lawful)

  2. copious · adjective/ˈkoʊ.pi.əs/

    abundant in supply or quantity

    The gardener collected copious amounts of fruits from the trees this year.

    Synonyms: plentiful, abundant, amply

    Origin: from Latin 'copiosus', meaning 'plenty' or 'abundant'

  3. irreproachable · adjective/ˌɪrɪˈproʊtʃəbl/

    free from blame or criticism

    The teacher has an irreproachable reputation for fairness with all her students.

    Synonyms: blameless, flawless, impeccable

    Origin: The word 'irreproachable' comes from the Latin 'ir-' meaning 'not' and 'reprochabilis' meaning 'able to be reproached', from 'reprochare', which means 'to blame'.

  4. decorous · adjective/ˈdɛk.ə.rəs/

    exhibiting proper behavior and manners

    At the wedding, everyone was dressed decorously, showing respect for the special occasion.

    Synonyms: proper, polite, dignified

    Origin: from Latin 'decorus' meaning 'fit, seemly, proper'

  5. pious · adjective/ˈpaɪəs/

    having or showing a dutiful spirit of reverence for god or an earnest wish to fulfill religious obligations

    The pious man goes to church every Sunday and prays for his community.

    Synonyms: devout, religious, faithful

    Origin: from Old French 'pieux' meaning 'devout, dutiful', from Latin 'pius' meaning 'pious, dutiful'