<p><strong>Adjective</strong></p><ul><li>open to or having several possible meanings or interpretations; equivocal:<ul><li>an ambiguous answer.</li></ul></li><li>(of an expression) exhibiting constructional homonymity; having two or more structural descriptions, as the sequence Flying planes can be dangerous.</li><li>of doubtful or uncertain nature; difficult to comprehend, distinguish, or classify:<ul><li>a rock of ambiguous character.</li></ul></li><li>lacking clearness or definiteness; obscure; indistinct:<ul><li>an ambiguous future.</li></ul></li></ul><p><strong>Synonyms</strong></p><ul><li>anomalous, problematic, indeterminate, vague, dubious</li></ul><p><strong>Antonyms</strong></p><ul><li>certain, explicit, unambiguous, precise, clear</li></ul>