'buttoned-down' definitions:

Definition of 'buttoned-down'

From: WordNet
adjective
Unimaginatively conventional; "a colorful character in the buttoned-down, dull-grey world of business"- Newsweek [syn: button-down, buttoned-down, conservative]

Definition of 'buttoned-down'

From: GCIDE
  • buttoned-down \buttoned-down\ adj. conservatively formal and businesslike in dress and manner.
  • Syn: button-down, conservative. [WordNet 1.5]
  • a colorful character in the buttoned-down, dull-gray world of business. --Newsweek