credible, adjacent, placid, omnipotent, tenacious: meanings and examples

Learn these 5 words from Proficient set 21. Each entry includes a definition, example sentence, pronunciation, and synonyms. Use the interactive cards above to practice them.

1. credible · adjective/ˈkrɛdɪbəl/

   capable of being believed or accepted as true

   The scientist presented credible evidence to support her claim.

   Synonyms: believable, reliable, trustworthy

   Origin: from Latin 'credibilis', from 'credere' meaning 'to believe'

2. adjacent · adjective/əˈdʒeɪ.sənt/

   next to or adjoining something else

   The park is adjacent to the school, so the children can play there during recess.

   Synonyms: next, adjoining, neighboring

   Origin: from Latin 'adjacens', meaning 'lying near, bordering on'

3. placid · adjective/ˈplæsɪd/

   calm and peaceful, free from disturbance

   The placid lake reflected the blue sky perfectly.

   Synonyms: tranquil, serene, calm

   Origin: from Latin 'placidus' meaning 'calm, peaceful'

4. omnipotent · adjective/ɑmˈnɪp.ə.tənt/

   having unlimited power or authority

   Many people believe that God is omnipotent and can do anything.

   Synonyms: all-powerful, mighty, supreme

   Origin: From Latin 'omnis' meaning 'all' and 'potens' meaning 'powerful'

5. tenacious · adjective/təˈneɪ.ʃəs/

   holding firmly to something or refusing to give up

   She is a tenacious learner who never gives up on her studies.

   Synonyms: persistent, determined, stubborn

   Origin: from Latin 'tenax', meaning 'holding fast'