n. & v.
n. 1 a person who begs, esp. one who lives by begging. 2 a poor person. 3 colloq. a person; a fellow (poor beggar).
v.tr. 1 reduce to poverty. 2 outshine. 3 exhaust the resources of (beggar description). beggar-my-neighbour 1 a card-game in which a player seeks to capture an opponent's cards. 2 (attrib.) (esp. of national policy) self-aggrandizing at the expense of competitors. beggars cannot (or must not) be choosers those without other resources must take what is offered.
[ ME f. BEG + -AR(3) ]