| DEB | • deb n. (Informal) Clipping of debutante. • deb n. (Informal) Debutante ball or debut. • Deb prop.n. Abbreviated form of the female given name Deborah. |
| DEE | • dee v. (Northumbria) To do. • dee n. The name of the Latin-script letter D/d. • dee n. Something shaped like the letter D, such as a dee lock. |
| DEF | • def n. Abbreviation of deficit. • def n. Abbreviation of definition. • def adv. Abbreviation of definitely. |
| DEG | • deg n. (Mathematics, countable) Abbreviation of degree. • deg n. (Motorsports, uncountable) Clipping of degradation. • deg v. (Northern England, dialectal) To sprinkle, moisten. |
| DEI | • DEI n. Initialism of diversity, equity and inclusion. • DEUS n. (Latin) god. |
| DEL | • del n. (Mathematical analysis) The symbol ∇ used to denote the gradient operator. • del n. (Mathematics) the symbol ∂, in the context of a partial differential. • del n. (Obsolete) a part, portion. |
| DEN | • den n. A small cavern or hollow place in the side of a hill, or among rocks; especially, a cave used by a wild… • den n. A squalid or wretched place; a haunt. • den n. A comfortable room not used for formal entertaining. |
| DEP | • dep n. Short for department. • dep n. Short for deposit. • dep n. Short for departure. |
| DEV | • dev n. Clipping of developer. • dev n. Clipping of development. • dev n. (Computing, UNIX) Clipping of device. |
| DEW | • dew n. (Uncountable) Any moisture from the atmosphere condensed by cool bodies upon their surfaces. • dew n. (Uncountable) Moisture in the air that settles on plants, etc in the morning or evening, resulting in drops. • dew n. (Countable, but see usage notes) An instance of such moisture settling on plants, etc. |
| DEX | • dex n. (Physics and astrophysics) An order or factor of ten. • dex n. (Role-playing games) Dexterity. • dex n. (Colloquial) Dextromethorphan. |
| DEY | • dey n. (UK dialectal, Scotland) A servant who has charge of the dairy; a dairymaid. • dey n. (Historical) The ruler of the Regency of Algiers (now Algeria) under the Ottoman Empire. • dey pron. Pronunciation spelling of they, representing dialects with th-stopping in English. |
| IDE | • ide n. A freshwater fish of the family Cyprinidae, found across northern Europe and Asia, especially Leuciscus idus. • Ide prop.n. A surname transferred from the given name. • Ide prop.n. A village in Devon, England, named after Saint Ida. |
| ODE | • ode n. A short poetical composition proper to be set to music or sung; a lyric poem; especially, now, a poem… • Ode prop.n. A surname. • ODE n. (Mathematical analysis) Initialism of ordinary differential equation. |