button-down vs conventional

button-down and conventional both are adjectives.

Word	Noun	Adjective	Verb	Adverb
button-down	No	Yes	No	No
conventional	No	Yes	No	No

button-down (adjective)	conventional (adjective)
of a shirt; having the ends of the collar fastened down by buttons	following accepted customs and proprieties
unimaginatively conventional	unimaginative and conformist
	(weapons) using energy for propulsion or destruction that is not nuclear energy
	rigidly formal or bound by convention
	represented in simplified or symbolic form
	conforming with accepted standards
	in accord with or being a tradition or practice accepted from the past