The definition of an adjective is a part of speech that is used to describe a noun. Red, tall, better and fast are all examples of adjectives.
In modern parlance, a gentleman (from gentle + man, translating the Old French gentilz hom) is any man of good, courteous conduct. A gentleman may also simply be a polite term for any man, as in indications of gender-separated facilities, or as a sign of the speaker's own courtesy when addressing others. The modern female equivalent is lady.
having or showing very polished and worldly manners the suave gentleman was a great favorite of the elegant ladies who attended parties at the embassy Synonyms debonair, smooth, sophisticated, svelte, urbane Related Words cavalier, glib, slick, unctuous; civilized, couth, cultivated, cultured, genteel, graceful, gracious, poised, polished, refined, ...