dotcadach unfortunate [135].
doth a hatching, cach d. toirthech, LL. 293b48; gen. in doithe [237]; dat. do duth, ib.; gen. pl. cerce trí ndoth, O'Dav. 1375.
do-tongim I swear, ná dítoing [159].
drithlennach full of sparks [65].
drús f. folly; gen. drúise [193].
duine-chin m. human crime [168].
dul in the phrases, dul ar to go security on behalf of [235]; dul fri to go security for [235]. See Glossary to Laws s.v. dul.
dulbaire f. lack of eloquence, bad delivery [179].
dulsaine f. mockery [142]; in cerd mac húi Dulsine, Corm. 37. Cf. dulaige, O'Dav. 622.
dúthracht f. good will, kindliness [225].