Bible Dictionaries
Indubious

Webster's Dictionary

(1):

(a.) Not dubious or doubtful; certain.

(2):

(a.) Not doubting; unsuspecting.

Bibliography Information
Webster, Noah. Entry for 'Indubious'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​i/indubious.html. 1828.