/ æmˈbɪgjuəs; NAmE / adjective
1.
that can be understood in more than one way; having different meanings :
an ambiguous word / term / statement
Her account was deliberately ambiguous.
2.
not clearly stated or defined :
His role has always been ambiguous.
OPP unambiguous
► am·bigu·ous·ly adverb :
an ambiguously worded agreement
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WORD ORIGIN
early 16th cent. (in the sense indistinct, obscure ): from Latin ambiguus doubtful (from ambigere waver, go around, from ambi- both ways + agere to drive) + -ous .