| unpredictable(adjective, strange, irregular, improper, odd) |
| unreliable(adjective, unstable, irregular, shaky, unpredictable) |
| wobbly(adjective, unstable, irregular, shaky, unsound) |
| biased(adjective, unjust, inequality) |
| cragged(adjective, smooth, harsh, coarse, irregular) |
| crooked(adjective, irregular, bent, unbalanced, warped) |
| cross-grained(adjective, harsh, coarse, irregular, rugged) |
| desultory(adjective, mean, rough, irregular, unpredictable) |
| dissimilar(adjective, distinct, different, unbalanced, discordant) |
| fickle(adjective, unbalanced, unhinged) |
| hairy(adjective, severe, harsh, coarse, irregular) |
| hilly(adjective, rough, unbalanced, bumpy, unequal) |
| incoherent(adjective, strange, irregular, improper, odd) |
| incongruous(adjective, strange, odd, confused, out) |
| inexact(adjective, chaotic) |
| mutable(adjective, unbalanced, unhinged) |
| notched(adjective, mean, smooth, rough, balanced) |
| occasional(adjective, unreliable, variable) |
| rough-hewn |
| scratchy(adjective, harsh) |