o‧ver‧ex‧tend /ˌəʊvərɪkˈstend $ ˌoʊ-/ verb [transitive]

1. to try to do or use too much of something, causing problems, illness, or damage
overextend yourself
Be careful not to overextend yourself. You’ve been very ill.

2. to spend more money than you actually have:
Jackson’s company became overextended financially.
—overextended adjective

[TahlilGaran] Dictionary of Contemporary English ▲