overspend

verb (used without object), o·ver·spent, o·ver·spend·ing.

1. to spend more than one can afford: Receiving a small inheritance, she began to overspend alarmingly.

verb (used with object), o·ver·spent, o·ver·spend·ing.

2. to spend in excess of: He was overspending his yearly salary by several thousand dollars.
3. to spend beyond one’s means (used reflexively): When the bills arrived, he realized he had foolishly overspent himself.
4. to wear out; exhaust.

verb (ˌəʊvəˈspɛnd) -spends, -spending or -spent

1. to spend in excess of (one’s desires or what one can afford or is allocated)
2. (tr; usually passive) to wear out; exhaust

noun (ˈəʊvəˌspɛnd)

3. the amount by which someone or something is overspent

v.1610s, “to wear out,” from over- + spend. Meaning “to spend more than is necessary” is attested from 1857. Related: Overspent; overspending.