noun
plural -gars
[count] a person who lives by begging for money, food, etc.
Brit informal :a person who is regarded as lucky, unlucky, lazy, etc.
beggars can't be choosers
The saying beggars can't be choosers means that people who need something must be satisfied with whatever they get even if it is not exactly what they wanted.
verb
-gars; -gared; -garing
[+ obj] formal :to make (someone or something) very poor
chiefly Brit - used in the phrases beggar belief and beggar description to talk about something that is very difficult to believe or describe