| dispassionate(adjective, cool, detached, blank, sober) |
| distant(adjective, cool, detached, blank, sober) |
| distasteful(adjective, dull, weak, flat, boring) |
| drab(adjective, dull, simple, plain, stupid) |
| drag(adjective, dull, stupid, boring, disagreeable) |
| dragger(adjective, dull, bad, stupid, disagreeable) |
| dragging(adjective, dull, boring, tedious, irritating) |
| drear(adjective, dull, bad, flat, dry) |
| dreary(adjective, dull, boring, bomb, tedious) |
| drudging(adjective, dull, stupid, boring, tedious) |
| dry(adjective, dull, simple, flat, clean) |
| dull as dishwater(expression, adjective, idiom, stupid, ordinary) |
| dumb(adjective, stupid, ordinary, commonplace, bland) |
| dusty(adjective, dull, boring, tedious, dreary) |
| elsewhere |
| emptiness(noun, extinction, obscurity, darkness) |
| enervative(adjective, dull, boring, disagreeable, tedious) |
| everyday(adjective, simple, moderate, plain, stupid) |
| exacting(adjective, dull, boring, tedious, irritating) |
| exasperating(adjective, dull, boring, tedious, irritating) |