garishEnglishOxford English Thesaurusgarish adjective they wore silly hats in garish colours: gaudy, lurid, loud, over-bright, harsh, glaring, violent, flashy, showy, glittering, brassy, brash; tasteless, in bad taste, vulgar, distasteful, unattractive, nauseating, bilious, sickly; informal flash, tacky. ▷antonyms drab; tasteful.garish Oxford Dictionary of English