vi to do less work than is proper or suitable.
2. underwork ·noun inferior or subordinate work; petty business.
3. underwork ·vi to work or operate in secret or clandestinely.
4. underwork ·vi to do work for a less price than current rates.
5. underwork ·vt to expend too little work upon; as, to underwork a painting.
6. underwork ·vt to do like work at a less price than; as, one mason may underwork another.
7. underwork ·vt to injure by working secretly; to destroy or overthrow by clandestine measure; to undermine.