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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.

Search results for 'operative':

operative adj 1 working; in action; having an effect. 2 said of a word: especially important or significant • 'Must' is the operative word. 3 relating to a surgical operation. noun 1 a worker, especially one with special skills. 2 N Amer, especially US a private detective. operatively adj. operativeness noun.