serious: meaning, pronunciation and examples

/ˈsɪriəs/·SEER-ee-us

Serious (adjective) means bad or dangerous enough to make you worry.

What does “serious” mean?

  1. 1

    adjectivebad or dangerous enough to make you worry

    He was in a serious accident.
  2. 2

    adjectivemeaning what you say and not joking

    Are you serious about moving to Japan?
  3. 3

    adjectivethoughtful and not often laughing

    She is a quiet, serious student.

Serious at a glance

Part of speech
adjective
CEFR level
A2 (elementary)
Pronunciation
/ˈsɪriəs/ · SEER-ee-us

How to use “serious” correctly

Use “serious about” for plans and goals: “I’m serious about learning Spanish.”

Common phrases with “serious”

  • serious problem
  • serious injury
  • be serious about

Antonyms (opposite meaning)

  • minor
  • joking

Word family

  • seriously
  • seriousness

“serious” is on these word lists

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