Pronunciation: (i-kwiv'u-kul),[key] —adj. 1. allowing the possibility of several different meanings, as a word or phrase, esp. with intent to deceive or misguide; susceptible of double interpretation; deliberately ambiguous: an equivocal answer. 2. of doubtful nature or character; questionable; dubious; suspicious: aliens of equivocal loyalty. 3. of uncertain significance; not determined: an equivocal attitude.