A very close friend.

plural of friend with benefits

Alternative form of fair-weather friend.

A female friend (used to avoid the possible ambiguity of the term girlfriend) / (euphemistic) A quainter term for girlfriend, often used ironically.

Used other than figuratively or idiomatically: see best, friend. / An especially close and trusted friend. / (informal) An object or concept considered very useful or helpful.

A female friend, especially a woman's. / Alternative form of girlfriend

Alternative spelling of penfriend

plural of false friend

plural of lady friend

(idiomatic, slang, non-vulgar) A friend with whom one has a casual sexual relationship.