| dry(adjective, calm, dull, cool, simple) |
| impassive(adjective, calm, dull, cool, simple) |
| emotionless(adjective, calm, dull, cool, cold) |
| plain(adjective, open, direct, free, simple) |
| dull(adjective, calm, simple, excite, plain) |
| apathetic(adjective, calm, dull, cool, simple) |
| boring(adjective, dull, simple, plain, ordinary) |
| naked(adjective, dull, simple, informal, rational) |
| phlegmatic(adjective, calm, dull, cool, simple) |
| simple(adjective, dull, plain, ordinary, usual) |
| tiresome(adjective, dull, simple, uninteresting, ironic) |
| insipid(adjective, dull, simple, boring, bland) |
| restrained(adjective, controlled, orderly, ironic, deadpan) |
| blah(adjective, calm, dull, simple, plain) |
| deadpan(adjective, calm, cool, rational, straightforward) |
| dull as dishwater(expression, adjective, idiom, dull, simple) |
| ho hum(expression, adjective, dull, simple, boring) |
| monotonous(adjective, dull, simple, plain, cold) |
| sharp(adjective, close, correct, right, severe) |
| tedious(adjective, dull, simple, plain, ordinary) |