Serious Synonyms and Antonyms

sîrē-əs
Marked by sober sincerity
(Adjective)
Synonyms:
  1. businesslike
  2. earnest
  3. no-nonsense
  4. sobersided
Having great consequence or weight
(Adjective)
Synonyms:
  1. earnest
  2. grave
  3. heavy
  4. momentous
  5. severe
  6. weighty
  7. unfunny
Antonyms:
  1. unimportant
  2. trivial
  3. minor
  4. frivolous
  5. unserious
  6. light
Not easy to do, achieve, or master
(Adjective)
Synonyms:
  1. arduous
  2. difficult
  3. hard
  4. laborious
  5. tall
  6. tough
  7. uphill

Words Related to Serious

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.

Serious Sentence Examples

  • This is serious stuff.

  • Don't joke; I mean to have a serious talk with you.

  • I am serious and fortunately in a perfect position to act.

  • I will go with you gladly soon, but I am just concluding a serious meditation.

  • Jake grew serious and sat in the spare chair in her cube.

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