immodestEnglishOxford American Thesaurusimmodest adjective her clothes and manner were most immodest: indecorous, improper, indecent, indelicate, indiscreet, immoral; forward, bold, brazen, impudent, unblushing, unchaste, unvirtuous, shameless, loose, wanton; informal fresh, cheeky, naughty, saucy.