serious, grave, solemn, sedate, staid, sober, earnest mean not light or frivolous. serious implies a concern for what really matters.

SERIOUS definition: of, showing, or characterized by deep thought. See examples of serious used in a sentence.

Please don't laugh - I'm being serious. He was wearing a very serious expression and I knew something was wrong. On the surface it's a very funny novel but it does have a more serious underlying theme.

being in earnest; sincere; not trifling: His interest was serious. requiring thought, concentration, or application: serious reading; a serious task. weighty or important: a serious book; Marriage is a …

These adjectives refer to manner, appearance, disposition, or acts marked by absorption in thought, pressing concerns, or significant work. Serious implies a concern with responsibility and work as …

Define serious. serious synonyms, serious pronunciation, serious translation, English dictionary definition of serious. adj. 1. Thoughtful, somber, or grave in manner: He became serious when he …

• If you are serious about meeting your goals, telling the world in clear and certain terms will help you meet them. • The tabloids would never describe themselves as completely serious but we are …

Any important situation is serious, and this word is also the opposite of humorous and playful.

If someone is serious about something, they are sincere about what they are saying, doing, or intending to do. You really are serious about this, aren't you?

Definition of serious adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.