Meaning of BUTTON-DOWN

Pronunciation:			'butn dawn
WordNet Dictionary
	Definition:		[adj]  of a shirt; having the ends of the collar fastened down by buttons; "Brooks Brothers button-down shirts" [adj]  unimaginatively conventional; "a colorful character in the buttoned-down, dull-gray world of business"- Newsweek
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	Synonyms:		buttoned, buttoned-down, conservative, conventional, fastened