passest (adjective) passe: old-fashioned
Sinonime: barbarism, blunder, faux pas, gaffe, gaucherie, goof, immodesty, impudence, incongruity, incorrectness, indecency, indecorum, inelegance, rudeness, slip*, solecism, unseemliness, unsuitability, vulgarism, vulgarity
Antonime: correctness,
propriety, suitability, tastefulness