| DENATURALISED | • denaturalised v. Simple past tense and past participle of denaturalise. • DENATURALISE v. to make unnatural, also DENATURALIZE. |
| DENUCLEARISED | • denuclearised v. Simple past tense and past participle of denuclearise. • DENUCLEARISE v. to make nonnuclear, also DENUCLEARIZE. |
| DESULPHURATED | • desulphurated v. Simple past tense and past participle of desulphurate. • DESULPHURATE v. to remove sulphur from. |
| DESULPHURISED | • desulphurised v. Simple past tense and past participle of desulphurise. • DESULPHURISE v. to remove the sulphur from a compound, also DESULFURISE, DESULFURIZE, DESULPHURIZE. |
| DESULPHURIZED | • desulphurized v. Simple past tense and past participle of desulphurize. • DESULPHURIZE v. to remove the sulphur from a compound, also DESULFURISE, DESULFURIZE, DESULPHURISE. |
| DOUBLEHEADERS | • doubleheaders n. Plural of doubleheader. • double-headers n. Plural of double-header. • DOUBLEHEADER n. two games, contests or events held consecutively on the same program. |
| DRUMBLEDRANES | • DRUMBLEDRANE n. (dialect) a bumble bee. |
| MIDDLEBUSTERS | • middlebusters n. Plural of middlebuster. • MIDDLEBUSTER n. a plow with a double moldboard, used to prepare the ground for planting by producing furrows and ridges. |
| OVERSCHEDULED | • overscheduled v. Simple past tense and past participle of overschedule. |
| SCULDUDDERIES | • SCULDUDDERY n. (Scots) a breach of chastity; bawdy talk, also SCULDUDDRY, SKULDUDDERY. |
| SKULDUDDERIES | • SKULDUDDERY n. (Scots) a breach of chastity; bawdy talk, also SCULDUDDERY, SCULDUDDRY. |
| UNBOWDLERISED | • UNBOWDLERISED adj. not bowdlerised, also UNBOWDLERIZED. |
| UNBRIDLEDNESS | • unbridledness n. The quality of being unbridled. • UNBRIDLEDNESS n. the state of being unbridled. |
| UNDERBUILDERS | • underbuilders n. Plural of underbuilder. • UNDERBUILDER n. a subordinate or assistant builder. |
| UNDERDELIVERS | • underdelivers v. Third-person singular simple present indicative form of underdeliver. • UNDERDELIVER v. to fail to achieve what has been expected or promised. |
| UNDERDEVELOPS | • underdevelops v. Third-person singular simple present indicative form of underdevelop. • UNDERDEVELOP v. to develop insufficiently. |
| UNDERSTATEDLY | • understatedly adv. In an understated way. • UNDERSTATED adv. UNDERSTATE, to represent as less than is the case. |
| UNDERSUPPLIED | • undersupplied v. Simple past tense and past participle of undersupply. • UNDERSUPPLY v. to supply too little. |
| 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. |
| UNDISCERNEDLY | • undiscernedly adv. Without being discerned. • UNDISCERNED adv. not discerned. |