| acrimonious(adjective, tough, nasty, harsh, cold) |
| alien(adjective, mean, nasty, cold, unfriendly) |
| annoyed(adjective, cool, indifferent, restrained, unfriendly) |
| anti(adjective, mean, nasty, unfriendly, hateful) |
| apart(adjective, indifferent, detached, distant, remote) |
| argumentative(adjective, mean, nasty, unfriendly, hateful) |
| autistic |
| awkward(tough, harsh, grumpy, bad-tempered, tetchy) |
| bad(adjective, person, unfriendly) |
| bad-natured(adjective, bad person) |
| beleaguered(close, quiet, private, isolated, secluded) |
| bellicose(adjective, mean, nasty, unfriendly, hateful) |
| belligerent(adjective, mean, nasty, unfriendly, hateful) |
| bitter(adjective, mean, nasty, unfriendly, hateful) |
| blockaded(close, quiet, private, isolated, secluded) |
| blunt(tough, harsh, coarse, awkward, sullen) |
| broody(adjective, sullen) |
| brusque(tough, harsh, coarse, awkward, sullen) |
| buttoned up(expression, quiet, still, shy, reserved) |
| casual(adjective, quiet, indifferent, detached, distant) |