ambiguous
adjective
[ amˈbɪɡjʊəs ]
• open to more than one interpretation; not having one obvious meaning.
• "ambiguous phrases"
Origin:
early 16th century (in the sense ‘indistinct, obscure’): from Latin ambiguus ‘doubtful’ (from ambigere ‘waver, go around’, from ambi- ‘both ways’ + agere ‘to drive’) + -ous.
