| half-assed |
| dull(adjective, dull, careless, stupid, impassive) |
| cow(noun, member, beef, camel, ungulate) |
| stupid(adjective, dull, careless, heavy, foolish) |
| dense(adjective, dull, heavy, stupid, vulgar) |
| doltish(adjective, dull, careless, heavy, foolish) |
| obtuse(adjective, dull, careless, heavy, foolish) |
| slow(adjective, dull, heavy, stupid, impassive) |
| stolid(adjective, stupid, apathetic) |
| cloddish(adjective, dull) |
| sluggish(adjective, dull) |
| hard-nosed(adjective, determined, resolute, obstinate, uncompromising) |
| mulish(adjective, determined, resolute, obstinate, uncompromising) |
| rigid(adjective, determined, resolute, obstinate, uncompromising) |
| stubborn(adjective, determined, resolute, obstinate, uncompromising) |
| unbendable(adjective, determined, resolute, obstinate, uncompromising) |
| unyielding(adjective, determined, resolute, obstinate, uncompromising) |
| bull(noun, adjective, big, heavy, large) |
| inelastic(adjective, determined, resolute, obstinate, uncompromising) |
| inflexible(adjective, determined, resolute, obstinate, uncompromising) |