[ 副 ]
■ 疑問の余地のない程度で、または方法で
in a manner or to a degree that could not be doubted
例文 )
・it was immediately and indubitably apparent that I had interrupted a scene of lovers 私が恋人たちの様子を邪魔したのは、一瞬で、間違いなく明らかだった
→
beyond a doubt
,
beyond a shadow of a doubt
,
beyond doubt