性格（せいかく）・性質（せいしつ） Personality and characteristics
| Vocabulary | Meaning |
|---|
| 明るい | bright, cheerful |
| 暗い | dark, dull |
| 優しい | kind, gentle |
| おとなしい | gentle, calm |
| 冷たい | cold |
| 厳しい | strict, stern |
| 気が長い | patient, tolerant |
| 気が短い | impatient, hot-tempered |
| 気が強い | strong, tough |
| 気が弱い | weak, timid |
| 活発[な] | lively |
| 誠実[な] | honest, truthful |
| わがまま[な] | selfish, arbitrary |
| まじめ[な] | serious, earnest |
| ふまじめ[な] | not serious, improper |
| 頑固[な] | conservative, stubborn |
| 素直[な] | obedient, docile |
| 意地悪[な] | malicious, sneaky, plays dirty |
| 勝ち気[な] | competitive, unwilling to lose |
| 神経質[な] | sensitive, easily hurt |
