| DOUBTFULLY | • doubtfully adv. In a doubtful manner, in context of doubt or ambiguity, questionably. • DOUBTFUL adv. worthy of doubt. |
| DUMBFOUNDS | • dumbfounds v. Third-person singular simple present indicative form of dumbfound. • DUMBFOUND v. to strike dumb; to confuse with astonishment, also DUMBFOUNDER, DUMFOUND, DUMFOUNDER. |
| DUMFOUNDED | • dumfounded adj. Misspelling of dumbfounded. • dumfounded v. Misspelling of dumbfounded. • DUMFOUND v. to strike dumb; to confuse with astonishment, also DUMBFOUND, DUMBFOUNDER, DUMFOUNDER. |
| DUMFOUNDER | • dumfounder v. To dumbfound; to confound. • DUMFOUNDER v. to strike dumb; to confuse with astonishment, also DUMBFOUND, DUMBFOUNDER, DUMFOUND. |
| FOUNDEROUS | • founderous adj. (Archaic) Difficult to travel; likely to trip one up. • FOUNDEROUS adj. causing to founder. |
| FURLOUGHED | • furloughed v. Simple past tense and past participle of furlough. • FURLOUGH v. to grant a leave of absence to. |
| NIDIFUGOUS | • nidifugous adj. (Biology, of a bird) That leaves the nest shortly after hatching. • NIDIFUGOUS adj. leaving the nest soon after hatching. |
| OUTBLUFFED | • outbluffed v. Simple past tense and past participle of outbluff. • OUTBLUFF v. to surpass in bluffing. |
| OUTFIGURED | • outfigured v. Simple past tense and past participle of outfigure. • OUTFIGURE v. to surpass in figuring. |
| OUTFLUSHED | • outflushed v. Simple past tense and past participle of outflush. • OUTFLUSH v. to flush more strongly. |
| OUTFUMBLED | • outfumbled v. Simple past tense and past participle of outfumble. • OUTFUMBLE v. to surpass in fumbling. |
| UNCONFUSED | • unconfused v. Simple past tense and past participle of unconfuse. • unconfused adj. Not confused. • UNCONFUSE v. to remove the confusion from. |
| UNDOUBTFUL | • undoubtful adj. Not doubtful. • UNDOUBTFUL adj. not doubtful. |
| UNFAVOURED | • unfavoured adj. Alternative form of unfavored. • UNFAVOURED adj. not favoured, also UNFAVORED. |
| UNFOCUSSED | • unfocussed adj. Alternative spelling of unfocused. • UNFOCUSSED adj. not focussed, also UNFOCUSED. |
| UNFORTUNED | • unfortuned adj. Lacking a fortune; without personal wealth. • UNFORTUNED adj. without a fortune. |
| UNFURROWED | • unfurrowed adj. Not furrowed. • UNFURROWED adj. not furrowed. |