قاموس اللغة الإنجليزية

To injure by working secretly; to destroy or overthrow by clandestine measure; to undermine.

To expend too little work upon; as, to underwork a painting.

To do like work at a less price than; as, one mason may underwork another.

To work or operate in secret or clandestinely.

To do less work than is proper or suitable.

To do work for a less price than current rates.

Inferior or subordinate work; petty business.