| boring(adjective, dull, simple, plain, ordinary) |
| candid(adjective, open, direct, free, easy) |
| cold-blooded(adjective, cool, cold, cruel, rational) |
| dead(adjective, simple, plain, cold, ordinary) |
| everyday(adjective, simple, plain, common, ordinary) |
| hard(adjective, sound, reasonable, excite, sensible) |
| hard-nosed(adjective, practical, realistic) |
| mechanical(adjective, done, powered, motorized, power-driven) |
| naked(adjective, dull, simple, informal, rational) |
| ordinary(adjective, dull, simple, plain, common) |
| phlegmatic(adjective, calm, dull, cool, simple) |
| prosy(adjective, simple, rational, straightforward, realistic) |
| simple(adjective, dull, plain, ordinary, usual) |
| sound(adjective, hard, reasonable, sensible, rational) |
| tough-minded(adjective, hard, sound, excite, real) |
| unsentimental(adjective, hard, sound, reasonable, sensible) |
| unvarnished(adjective, rational, straightforward, realistic, factual) |
| utilitarian(adjective, hard, sound, reasonable, sensible) |
| aloof(adjective, calm, cool, cold, dead) |
| blunt(adjective, dull, open, direct, free) |