Definition of: overwork

(ō′vər·wûrk′) v. ·worked or ·wrought, ·work·ing v.t.
1. To cause to work too hard; exhaust with work or use.
2. To work on or elaborate excessively: to overwork an argument.
3. To work up or excite excessively.
—v.i.
4. To work too hard; do too much work.
—noun (ō′vər·wûrk′)
1. Work done in overtime, or in excess of the stipulated amount.
2. Excessive work.