Index of English words, starting with "do"

(1) - Doubter (n.) One who doubts; one whose opinion is unsettled; one who scruples.

(1) - Doubtful (a.) Fearful; apprehensive; suspicious.
(2) - Doubtful (a.) Of uncertain issue or event.
(3) - Doubtful (a.) Characterized by ambiguity; dubious; as, a doubtful expression; a doubtful phrase.
(4) - Doubtful (a.) Admitting of doubt; not obvious, clear, or certain; questionable; not decided; not easy to be defined, classed, or named; as, a doubtful case, hue, claim, title, species, and the like.
(5) - Doubtful (a.) Not settled in opinion; undetermined; wavering; hesitating in belief; also used, metaphorically, of the body when its action is affected by such a state of mind; as, we are doubtful of a fact, or of the propriety of a measure.

(1) - Doubtfully (adv.) In a doubtful manner.

(1) - Doubtfulness (n.) Uncertainty of event or issue.
(2) - Doubtfulness (n.) Uncertainty of meaning; ambiguity; indefiniteness.
(3) - Doubtfulness (n.) State of being doubtful.