Serious

Pronunciation: /ˈsɪriːəs/

Serious (adjective)

  1. showing you mean what you say and are not joking.
  2. important and needing careful thought or attention.
  3. not smiling or laughing; having a calm face.

Examples

  • He was serious about his promise to help.
  • She gave a serious answer to the question.

Common collocations: serious attitude, take seriously, serious problem, serious concern, serious face

Synonyms of Serious

Formal

Neutral

Informal

Antonyms of Serious

  • when describing something unimportant or trivial
  • when describing a carefree or cheerful attitude