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 underlying theme.

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.

Find 173 different ways to say SERIOUS, along with antonyms, related words, and example sentences at Thesaurus.com.

Discover everything about the word "SERIOUS" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

• 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 …

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

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.