equivocal

"aliens of equivocal loyalty"; "his conscience reproached him with the equivocal character of the union into which he had forced his son";

"the evidence from bacteriologic analysis was equivocal";

"an equivocal statement"; "the polling had a complex and equivocal (or ambiguous) message for potential female candidates"; "the officer's equivocal behavior increased the victim's uneasiness"; "popularity is an equivocal crown"; "an equivocal response to an embarrassing question";