| DESULPHURATED | • desulphurated v. Simple past tense and past participle of desulphurate. • DESULPHURATE v. to remove sulphur from. |
| DISUBSTITUTED | • disubstituted adj. (Organic chemistry) Having two substituents. • DISUBSTITUTED adj. having two substituent atoms or groups in a molecule. |
| PUDIBUNDITIES | • PUDIBUNDITY n. the state of being pudibund. |
| SUBINFEUDATED | • subinfeudated v. Simple past tense and past participle of subinfeudate. • SUBINFEUDATE v. to grant to another land held by another feudal lord, also SUBFEU, SUBINFEUD. |
| SUBINTRODUCED | • SUBINTRODUCE v. to bring in surreptitiously or subtly. |
| THUNDERCLOUDS | • thunderclouds n. Plural of thundercloud. • thunder␣clouds n. Plural of thunder cloud. • THUNDERCLOUD n. a cloud charged with electricity and producing lightning and thunder. |
| UNDAUNTEDNESS | • undauntedness n. The state or condition of being undaunted. • UNDAUNTEDNESS n. the state of being undaunted. |
| UNDERSTUDYING | • understudying v. Present participle of understudy. • UNDERSTUDY v. to act another's part or take over another's duties. |
| UNDERTHRUSTED | • underthrusted v. Simple past tense and past participle of underthrust. |
| UNDERUTILISED | • underutilised adj. (British spelling) Alternative form of underutilized. • underutilised v. Simple past tense and past participle of underutilise. • UNDERUTILISE v. to utilize less than fully, also UNDERUTILIZE. |
| UNDISTRIBUTED | • undistributed adj. Not distributed. • undistributed adj. (Computing) Not employing the technique of distributed computing. • UNDISTRIBUTED adj. not distributed. |
| UNDISTURBEDLY | • undisturbedly adv. Calmly; tranquilly; without disturbance. • UNDISTURBED adv. not disturbed. |