1. ambiguous: open to more than one interpretation, especially in being deliberately expressed in an ambiguous way in an attempt to mislead somebody an equivocal reply to a tough question
2. difficult to interpret: difficult to interpret, understand, or respond to Their stance on this issue is equivocal and nobody knows how they are likely to react.
3. raising doubts: arousing doubts and suspicions, especially about somebody's honesty or sincerity To arrive at the peace talks with an armed guard was an equivocal gesture.
[Mid-16th century. < late Latin aequivocus (see equivocate)]