(adj.) Having one or more meaning. Of uncertain origin or meaning. Causing uncertainty or confusion.
am - BIG -yoo - us
cryptic, equivocal, obscure, indistinct
"Ralph gave a mild ambiguous laugh. 'What a rage you have for marrying people! Do you remember how you wanted to marry me the other day?'" The Portrait of a Lady, Henry James
"Their reminiscences were cut short by the appearance of the reunited pair - Henchard looking round upon the idlers with that ambiguous gaze of his, which at one moment seemed to mean satisfaction, and at another fiery disdain." Mayor of Casterbridge, Thomas Hardy

