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

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 …

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

1. of, showing, or characterized by deep thought. 2. grave or somber, as in character, disposition, or mood.

If someone is serious about something, they are sincere about what they are saying, doing, or intending to do.

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

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

• 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 …

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 …

SERIOUS meaning: 1 : having an important or dangerous possible result; 2 : involving or deserving a lot of thought, attention, or work