| archaic(adjective, flat, stupid, ordinary, dry) |
| austere |
| banausic(adjective, dull, boring, routine, tedious) |
| bare |
| barren |
| baseborn(adjective, mean, rough, poor, low) |
| big yawn(expression, adjective, dull, flat, stupid) |
| blind(adjective, dull, weak, dead, tedious) |
| bromidic(adjective, dull, boring, routine, tedious) |
| calm(adjective, tough, rational, straightforward, sober) |
| characterless(adjective, dull, mean, rough, poor) |
| chaste |
| classic |
| classical |
| clean(adjective, simple, flat, plain, ordinary) |
| cold-blooded(adjective, tough, rational, straightforward, sober) |
| crass(adjective, mean, rough, poor, low) |
| deadpan(adjective, tough, rational, straightforward, sober) |
| declassé(adjective, mean, rough, poor, low) |
| diddly(adjective, bad, simple, flat, clean) |