Man, male, gentleman are nouns referring to an adult male human being, one paradigm of gender and biological sex. Man is the most general and most commonly used of the three; it can be neutral, lacking either favorable or unfavorable implication: a wealthy man; a man of strong character, of unbridled appetites. It can also signify possession of the most typical or traditional masculine qualities: to take one's punishment like a man. Male emphasizes the physical or sexual characteristics of a man; it may also refer to an animal or plant: a male in his prime; two males and three females in the pack; a male of the genus Ilex. In scientific and statistical use, male is the neutral contrastive term to female : 104 females to every 100 males; Among birds, the male is often more colorful than the female. Gentleman, once used only of men of high social rank, now also specifies a man of courtesy and consideration: a real gentleman; to behave like a gentleman. Gentleman is also used as a polite term of reference ( This gentleman is waiting for a table ) or, only in the plural, of address ( Are we ready to begin, gentlemen? ). See also manly, male.

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