1. (a.) Common; ordinary; trite; as, a commonplace person, or observation.

2. (n.) An idea or expression wanting originality or interest; a trite or customary remark; a platitude.

3. (n.) A memorandum; something to be frequently consulted or referred to.

4. (v. t.) To enter in a commonplace book, or to reduce to general heads.

5. (v. i.) To utter commonplaces; to indulge in platitudes.

Attic Babbittish Philistine Spartan abstraction accustomed ascetic austere average back-number bald banal banality bare baseborn below the salt bewhiskered bourgeois bromide bromidic campy candid chaste chestnut classic classical cliche cliched cockney common commonly known commonplace expression conventional corn corny current customary cut-and-dried direct dry dull everyday fade familiar familiar tune flat frank fusty garden garden-variety general general idea generalization generalized proposition glittering generality habitual hackney hackneyed hackneyed expression hackneyed saying high-camp homely homespun household humble humdrum inanity insipid kitschy lean lieu commun locus communis low low-camp lowborn lowbred lowly matter-of-fact mean middle-class moth-eaten mundane musty natural neat no great shakes nonclerical nondescript normal normative notorious old hat old joke old saw old song old story open ordinary overworked pedestrian plain plain-speaking plain-spoken plastic platitude platitudinous plebeian poetryless pop popular predominating prescriptive prevailing prevalent prosaic prosaicism prosaism prose prosing prosy proverbial public pure pure and simple regular regulation reiteration retold story rubber stamp rude run-of-mine run-of-the-mill rustic set severe shabby-genteel shallowness shibboleth shopworn simple simple-speaking sober spare square stale standard stark stereotype stereotyped stereotyped saying stock straightforward suburban sweeping statement tag talked-about talked-of third-estate threadbare timeworn tired tired cliche tiresome trite trite saying triteness triticism truism truistic twice-told tale typical unadorned unaffected unembellished uneventful unexceptional ungenteel unidealistic unimaginative unimpassioned universal universally admitted universally recognized unnoteworthy unoriginal unpoetic unpoetical unremarkable unromantic unspectacular unvarnished usual vapid vernacular vulgar warmed-over well-kenned well-known well-recognized well-understood well-worn widely known wishy-washiness wonted workaday workday worn worn thin worn-out