(1):
(v. t.) To injure by working secretly; to destroy or overthrow by clandestine measure; to undermine.
(2):
(v. t.) To do like work at a less price than; as, one mason may underwork another.
(3):
(v. i.) To do less work than is proper or suitable.
(4):
(v. t.) To expend too little work upon; as, to underwork a painting.
(5):
(v. i.) To do work for a less price than current rates.
(6):
(v. i.) To work or operate in secret or clandestinely.
(7):
(n.) Inferior or subordinate work; petty business.