| UNDOUBLE | • undouble v. (Transitive) To undo the doubling of; to unfold, or render single again. • UNDOUBLE v. to change from a state of being doubled. |
| UNDOUBLED | • undoubled adj. Not doubled. • undoubled v. Simple past tense and past participle of undouble. • UNDOUBLE v. to change from a state of being doubled. |
| UNDOUBLES | • undoubles v. Third-person singular simple present indicative form of undouble. • UNDOUBLE v. to change from a state of being doubled. |
| UNLABOURED | • unlaboured adj. (British spelling) Not laboured. • UNLABOURED adj. not laboured, also UNLABORED. |
| UNTROUBLED | • untroubled adj. Without worries; free from care. • UNTROUBLED adj. not troubled. |
| UNBOUNDEDLY | • unboundedly adv. Boundlessly. • UNBOUNDED adv. not bounded. |
| UNDOUBTABLE | • undoubtable adj. (Rare) Incapable of being doubted; undoubted; indubitable. • UNDOUBTABLE adj. that cannot be doubted. |
| UNDOUBTEDLY | • undoubtedly adv. Without doubt; definitely. • UNDOUBTED adv. not doubted. |
| UNSOUNDABLE | • unsoundable adj. Impossible to sound; whose depth cannot be gauged. • UNSOUNDABLE adj. not soundable. |
| UNWOUNDABLE | • unwoundable adj. Incapable of being wounded. • UNWOUNDABLE adj. not woundable. |
| DOUBTFULNESS | • doubtfulness n. The state or quality of being doubtful; doubt; uncertainty. • DOUBTFULNESS n. the state of being doubtful. |
| UNTROUBLEDLY | • untroubledly adv. In an untroubled way. • UNTROUBLED adv. not troubled. |
| UNPUTDOWNABLE | • unputdownable adj. Of a person, etc.: difficult or impossible to put down (in various senses). • unputdownable adj. (Specifically) Of a book or other written work: so captivating or engrossing that one cannot bear to stop reading it. • un-put-downable adj. Alternative form of unputdownable. |
| DOUBTFULNESSES | • doubtfulnesses n. Plural of doubtfulness. • DOUBTFULNESS n. the state of being doubtful. |
| ROUNDABOUTEDLY | • ROUNDABOUTEDLY adv. in a roundabout way. |
| UNREPRODUCIBLE | • unreproducible adj. That cannot be reproduced. • UNREPRODUCIBLE adj. not reproducible. |