| stoic(adjective, calm, indifferent, unconcerned, unemotional) |
| straight(adjective, good, cool, right, reasonable) |
| straightforward(adjective, good, free, reasonable, friendly) |
| stupefied(adjective, unfeeling, numb, insensitive, dazed) |
| torpid(adjective, unfeeling, numb, insensitive, dazed) |
| unaligned(adjective, detached, unconcerned, impartial, unbiased) |
| uncolored(adjective, good, reasonable, clean, honest) |
| uncompassionate(adjective, calm, dull, mean, hard) |
| unenthusiastic(adjective, dull, warm, indifferent, unconvinced) |
| unfeeling(adjective, calm, dull, mean, hard) |
| unforthcoming(adjective, person, quiet, detached, thoughtful) |
| unfriendly(adjective, person, cool, cold, indifferent) |
| unprepossessed(detached, neutral, impartial) |
| upright(adjective, good, right, reasonable, clean) |
| vacant(adjective, friendly, appropriate, cold, aloof) |
| aboveboard(adjective, good, right, reasonable, clean) |
| amiable(adjective, quiet, cool, moderate, gentle) |
| amicable(adjective, quiet, cool, kind, moderate) |
| antipathetic(adjective, mean, hard, cool, unpleasant) |
| antisocial(adjective, person) |