| DEASIULS | • DEASIUL n. (Scots) motion in the same direction as the sun, also DEASIL, DEASOIL, DEISEAL, DEISHEAL. |
| DISABUSE | • disabuse v. (Transitive) to free (someone) of a misconception or misapprehension; to unveil a falsehood held by (someone). • DISABUSE v. to free from false ideas. |
| DISSUADE | • dissuade v. (Transitive) To convince not to try or do. • DISSUADE v. to persuade not to do something. |
| DISUSAGE | • disusage n. Gradual cessation of custom or use; disuse. • DISUSAGE n. gradual cessation of use. |
| DUALISES | • dualises v. Third-person singular simple present indicative form of dualise. • DUALISE v. to make twofold, also DUALIZE. |
| DUALISMS | • dualisms n. Plural of dualism. • DUALISM n. the doctrine of two distinct principles of good and evil, or of two divine beings of these characters. |
| DUALISTS | • dualists n. Plural of dualist. • DUALIST n. an adherent of dualism. |
| DUMAISTS | • dumaists n. Plural of dumaist. • DUMAIST n. (Russian) a member of the duma, the Russian parliament. |
| DYSURIAS | • dysurias n. Plural of dysuria. • DYSURIA n. pain in passing urine, also DYSURY. |
| GUISARDS | • guisards n. Plural of guisard. • GUISARD n. a person in disguise; a masker; a mummer, also GUISER, GUIZER. |
| RADIUSES | • radiuses n. Plural of radius. • RADIUS n. (Latin) the shorter and thicker of the two arm bones. |
| SAUROIDS | • SAUROID n. a type of fish. |
| STADIUMS | • stadiums n. Plural of stadium. • STADIUM n. a race course, sports ground. |
| SUBIDEAS | • subideas n. Plural of subidea. • SUBIDEA n. an inferior idea. |
| SUDARIES | • sudaries n. Plural of sudary. • SUDARY n. a cloth for wiping the face, also SUDARIUM. |
| SUIDIANS | • SUIDIAN n. a member of the pig family, also SUID. |
| SUNDARIS | • sundaris n. Plural of sundari. • SUNDARI n. (Sanskrit) an East Indian tree, also SUNDRA, SUNDRI. |
| SUNDIALS | • sundials n. Plural of sundial. • SUNDIAL n. a type of time-telling device. |