Proficient — Set 46

Set 46 of Proficient covers 5 words: decorous, irreproachable, copious, pious, nefarious. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.

1. decorous · adjective/ˈdek(ə)rəs/

   in keeping with good taste and propriety; polite and restrained

   Charlotte gave David a decorous kiss.

   Synonyms: proper, appropriate, decent

   Origin: mid 17th century (in the sense ‘appropriate, seemly’): from Latin decorus ‘seemly’+ -ous

2. irreproachable · adjective/ˌɪrəˈproʊtʃəbl/

   beyond reproach or criticism

   The teacher was known for her irreproachable conduct and always helped her students.

   Synonyms: flawless, perfect, exemplary

   Origin: from Latin 'irreprochabilis', meaning 'cannot be reproached'

3. copious · adjective/ˈkoʊ.pi.əs/

   abundant in supply or quantity

   After the rain, there were copious amounts of water in the streets.

   Synonyms: ample, plentiful, abundant

   Origin: from Latin 'copia', meaning 'plenty, abundance'

4. pious · adjective/ˈpaɪəs/

   devoutly religious or showing a spirit of reverence

   The pious man went to church every Sunday and prayed for his family.

   Synonyms: devout, religious, holy

   Origin: from Latin 'pius', meaning 'devout, dutiful'

5. nefarious · adjective/nɪˈfɛriəs/

   wicked or criminal in nature

   The villain had a nefarious plan to steal all the treasures from the town.

   Synonyms: wicked, evil, criminal

   Origin: from Latin 'nefariosus', from 'nefas' meaning 'wrongdoing'