We were confused by the ambiguous wording of the message.
He looked at her with an ambiguous smile.
Due to the ambiguous nature of the question, it was difficult to choose the right answer.
the ambiguous position of women in modern society
Greater familiarity with this artist makes one's assessment of him more tentative rather than less. His best pictures exude a hypersensitive, ambiguous aura of grace. —Peter Schjeldahl, New Yorker, 10 Mar. 2003
He seeks sources for the speech's ideas in Lincoln's ambiguous stance toward organized religion, in the sermons of preachers he listened to, and in his Bible-reading habit. —Gilbert Taylor, Booklist, 15 Dec. 2001
In Mexico we follow the fraught, ambiguous journey of a Tijuana cop … caught between the ruthless, corrupt general … he works for and the DEA, which wants him to inform on his countrymen. —David Ansen, Newsweek, 8 Jan. 2001
Physicians could manipulate reimbursement rules to help their patients obtain coverage for care that the physicians perceive to be necessary, for example, through ambiguous documentation or by exaggerating the severity of patients' conditions. —Michael K. Wynia et al., Journal of the American Medical Association, 12 Apr. 2000