01 adv. Undoubtedly; unquestionably; in a manner to remove all doubt.
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1.
Undoubtedly; unquestionably; in a manner to remove all doubt.“Oracles indubitably clear and infallibly certain.” — Barrow.
Entry
1 sense
Webster, 1913
Indubitably
· In·du·bi·ta·bly
· IPA /ɪnˈdu.bɪ.tə.bli/