- proper [adj1] suitable able, applicable, appropriate, apt, au fait, becoming, befitting, capable, competent, convenient, decent, desired, felicitous, fit, fitting, good, happy, just, legitimate, meet, qualified, right, suited, true, useful; concept 558 —Ant. improper, unacceptable, unsuitable proper [adj2] mannerly, decent becoming, befitting, by the book*, by the numbers*, comely, comme il faut*, conforming, correct, decorous, demure, de rigueur*, genteel, in line, kosher*, moral, nice, polite, precise, priggish, prim, prissy, prudish, punctilious, puritanical, refined, respectable, right, seemly, solid, square*, stone, straight*, strait-laced*, stuffy*; concepts 401,404 —Ant. crass, crude, misbehaving, objectionable proper [adj3] conventional, correct absolute, accepted, accurate, arrant, complete, consummate, customary, decorous, established, exact, formal, free of error, on target*, on the button*, on the nose*, on the right track*, orthodox, out-and-out*, precise, right, unmistaken, usual, utter; concepts 326,533 —Ant. incorrect, substandard, unconventional proper [adj4] individual, personal characteristic, distinctive, idiosyncratic, own, particular, peculiar, private, respective, special, specific; concepts 549,557 —Ant. general
New thesaurus. 2014.