ambi-(both ways) + agere(drive) + -ous

ambi-は両側、両方

ambivalentとか

あいまいな

ambiguous: 2つ以上の意味に取れる。多義的な

unclear: はっきりしない

obscure: 意味が不明瞭で理解しにくい

vague: 意味が漠然とした

noncommittal: 言質を与えない

evasive: 回避的な

uncertain: 不確かな

source: By W. E. Hill - This image is available from the United States Library of Congress's Prints and Photographs divisionunder the digital ID ds.00175.This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing for more information., Public Domain

My wife and my mother-in-law: Another famously ambiguous illusion

(of language) open to more than one interpretation; having a double meaning: (言語が)一つ以上の解釈に開かれている; 2つの意味を持つ

(2つ以上の意味に解釈できて)あいまいな, 多義的な(↔ unambiguous, obvious; → equivocal)

e.g. ambiguous phrases: 多義的なフレーズ

e.g. the question is rather ambiguous.: その質問はやや曖昧だ。

unclear or inexact because a choice between alternatives has not been made: 選択肢のうちから選択がされていないため不明瞭な、不確実な

不確かな, 不明瞭な; ぼんやりした

e.g. the election result was ambiguous: その選挙の結果は不確かだった。

e.g. this whole society is morally ambiguous.: この社会全体は道徳的に不明瞭だ。

ambiguousness | amˈbiɡyo͞oəsnəs | noun

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.