| churlish(adjective, feelings) |
| cogitative(adjective, thoughtful, thinking, absorbed, pensive) |
| considering(noun, verb, thinking) |
| cranky(adjective, feelings) |
| crusty(adjective, feelings) |
| deliberating(noun, verb, thinking) |
| doleful(adjective, bad, sad, unhappy, feelings) |
| down in the dumps(expression, adjective, idiom, sad, feelings) |
| engrossment(noun, thought, consideration, thinking, vagueness) |
| incubation |
| low(adjective, sad, unhappy, feelings, depressed) |
| miserable(adjective, bad, sad, unhappy, feelings) |
| pensiveness(noun, consideration, thinking, vagueness, preoccupation) |
| saturnine(adjective, sadness, gloom, unclear, morose) |
| speculating(verb, thinking) |
| subjective(adjective, characteristic, quality, experience, analysis) |
| taciturn(adjective, reserved, reticent, uncommunicative) |
| testy(adjective, cross, feelings, emotional, vulnerable) |
| absorption(noun, thought) |
| analysis(noun, thought) |