Meaning & Definition of word "Serious"

Serious

/ˈsɪəriəs/

adjective:

  • 1. of great consequence or importance; vital.
    • Example: The project requires serious consideration before making any decisions.
  • 2. not joking or trifling; earnest.
    • Example: He spoke in a serious tone about the need for change in the community.
  • 3. likely to lead to undesirable outcomes; grave or severe.
    • Example: The doctor said the injury was serious and required immediate surgery.
  • 4. solemn or grave in demeanor.
    • Example: The serious expression on his face indicated the gravity of the situation.

Etymology

Middle English, from Old French 'sérieux', from Latin 'serius'.

Common Phrases and Expressions

serious business:

an important matter requiring attention

serious face:

a facial expression indicating no humor

serious about something:

to be earnest or dedicated regarding a matter

take someone/something seriously:

to regard someone or something as important or deserving of consideration

seriously speaking:

used to emphasize that what follows is genuine or serious in nature

Related Words

seriousness:

the quality or state of being serious

seriously:

in a serious manner

serious-minded:

having a serious and thoughtful character

Slang Meanings of serious

Meaning: No joke.

Example Sentence: When I say I'm serious, I mean it—no joke.

Meaning: For real.

Example Sentence: He was for real about his plans to move.

Meaning: Dead serious.

Example Sentence: I'm dead serious about this job interview.