The meaning of SERIOUS is thoughtful or subdued in appearance or manner : sober. How to use serious in a sentence. Synonym Discussion of Serious.

Synonyms for SERIOUS: solemn, severe, earnest, stern, professional, sober, harsh, humorless; Antonyms of SERIOUS: humorous, joking, playful, flippant, jocular, facetious, funny, ridiculous

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

SERIOUS definition: 1. severe in effect; bad: 2. very ill 3. not joking or intended to be funny: . Learn more.

SERIOUS meaning: 1. severe in effect; bad: 2. very ill 3. not joking or intended to be funny: . Learn more.

Find 1143 different ways to say SERIOUS, along with antonyms, related words, and example sentences at Thesaurus.com.

serious questions/concerns/doubts; serious allegations/charges; It's time to give serious consideration to this matter. Please give it some serious thought before you make a decision. …

If you're frowning, someone might say, "Why so serious?" This is a word for people and situations where there's no fooling around. If you're staring at the computer screen, typing quickly, you …

Serious problems or situations are very bad and cause people to be worried or afraid.

Serious can be used to describe something that is significant, grave or of significant importance. It can be characterized by a lack of frivolity, playfulness, or lightheartedness. It often relates to …