Search Result for "work to rule":
Wordnet 3.0

NOUN (1)

1. a job action in which workers cause a slowdown by doing only the minimum amount required by the rules of the workplace; 



WordNet (r) 3.0 (2006):

work to rule
    n 1: a job action in which workers cause a slowdown by doing
         only the minimum amount required by the rules of the
         workplace