Definify.com

Webster 1913 Edition

Indubitably

In-du′bi-ta-bly

,

adv.

Undoubtedly; unquestionably; in a manner to remove all doubt.

Oracles

indubitably

clear and infallibly certain.

Barrow.

Webster 1828 Edition

Indubitably

INDU'BITABLY

,

adv.

Undoubtedly; unquestionably; in a manner to remove all doubt.