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 …

adjective of, showing, or characterized by deep thought. of grave or somber disposition, character, or manner. a serious occasion; a serious man. Synonyms: staid, sedate, sober being in …

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

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 …

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

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

Some common synonyms of serious are earnest, grave, sedate, sober, solemn, and staid. While all these words mean "not light or frivolous," serious implies a concern for what really matters.

SERIOUS meaning: 1. A serious problem or situation is bad and makes people worry: 2. thinking or speaking sincerely…. Learn more.

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