| hard(adjective, tough, reasonable, severe, sharp) |
| hard-boiled(adjective, calm, simple, tough, severe) |
| hard-nosed(adjective, tough, sharp, practical, realistic) |
| matter-of-fact(adjective, direct, reasonable, honest, sensible) |
| plain(adjective, calm, open, honest, true) |
| pragmatic(adjective, simple, tough, reasonable, sharp) |
| rational(adjective, calm, quiet, reasonable, sharp) |
| reasonable(adjective, calm, quiet, sensible, dark) |
| rigid(adjective, tough, severe, firm, harsh) |
| sane(adjective, reasonable, sensible, practical, realistic) |
| sensible(adjective, tough, reasonable, sharp, rational) |
| severe(adjective, calm, quiet, set, tough) |
| sincere(adjective, set, open, direct, severe) |
| sobersided(adjective, work, heavy, serious) |
| square(adjective, open, tough, severe, firm) |
| straightforward(open, rough, honest, true, short) |
| strict(adjective, intolerant, authoritarian) |
| tough(adjective, severe, sharp, firm, harsh) |
| abnegating(adjective, calm, quiet, reasonable, sensible) |
| aboveboard(open, honest, true, straightforward, straight) |