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

plural of marginal benefit

The use of a computer system to manage employees' benefits.

(US) A kind of corporate entity that seeks to have a positive impact on society and environment in addition to making profit.

plural of benefit corporation

plural of benefit club

(idiomatic, euphemistic) A platonic friendship where the partners engage in sexual activities, but do not consider themselves a couple.

plural of friendship with benefits

plural of benefit society

A society or association formed for mutual insurance, as among tradesmen or in labour unions, to provide for relief in sickness, old age, etc. and for the expenses of burial.