DictionarystaidSerious and conventional
adjective

staid

STAYD/steɪd/

Serious, respectable, and rather dull or conventional.

The staid office worker sits upright in the old-fashioned room.

Conservatively dressed serious older white office worker seated upright in an old-fashioned quiet room.
Etymology

The idea of standing still became “fixed” or “permanent” in the participle of stay. Applied to people, this settled quality came to mean sober and sedate—the restrained manner now described as staid.

In context

New York Studio School57:08
they were Saints in rather staid poses right and one you know one arm up arm weight on one leg that kind of thing with Tintoretto though totally different it explodes with energy
Frederick Ilchman on Tintoretto | New York Studio School

More examples

  • The restaurant's staid decor favors dark wood and muted colors.
  • Even the staid accountant laughs at her joke.
  • The company hopes a new logo will soften its staid image.

Forms

staid

staidly adverb — In a serious and conventional manner.

Similar words

sober
Emphasizes seriousness and restraint rather than dull conventionality.
sedate
Emphasizes calm, unhurried behavior rather than conventional style.
conventional
Emphasizes following accepted customs, without necessarily being serious.