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.
Freebase (2.00 / 1 vote) Rate this definition: Monsieur. Monsieur is an honorific title that used to refer to or address the eldest living brother of the king in the French royal court. It is also a customary French title of respect and term of address for a French-speaking man, corresponding to such English titles as Mr. or sir.