| consequent(adjective, reasonable, rational, sober, wise) |
| constructive(applied, hands-on, real-world) |
| cool(adjective, calm, reasonable, rational, detached) |
| cool cat(expression, adjective, cool, detached, blank) |
| dead to all feelings(adjective, cold, dead, apathy, passive) |
| deadpan(adjective, calm, cool, rational, straightforward) |
| deadpanned(adjective, cold, dead, apathy, passive) |
| detached(adjective, calm, cool, unfriendly, blank) |
| discriminating(adjective, correct, reasonable, solid, exact) |
| dispassionate(adjective, calm, cool, cold, cruel) |
| distant(adjective, cool, detached, unfriendly, blank) |
| don't care(adjective, cold, dead, apathy, passive) |
| drab(adjective, excite) |
| dull as dishwater(expression, adjective, idiom, dull, simple) |
| earthbound(adjective, excite) |
| efficient(serious, practical, realistic, controlled, orderly) |
| empirical(applied, hands-on, real-world) |
| experimental(applied, hands-on, real-world) |
| explicit(adjective, close, direct, correct, right) |
| express(adjective, honest, straightforward, straight, sincere) |