| 徹底 | てってい | thoroughness, completeness |
| 徹夜 | てつや | all night, all-night vigil, sleepless night |
| 徹する | てっする | to sink in, to penetrate, to devote oneself, to believe in, to go through, to do intently and exclusively |
| 徹す | とおす | to let pass, to overlook, to continue, to keep, to make way for, to persist in |
| 冷徹 | れいてつ | cool-headedness |
| 不徹底 | ふてってい | inconsistent, illogical, unconvincing, not thorough, indefinite, half-way |
| 一徹 | いってつ | obstinate, stubborn, inflexible |
| 貫徹 | かんてつ | accomplishment, realization, realisation, penetration |
| 透徹 | とうてつ | penetration, absolutely clear, not dirty, clearness |
| 一徹者 | いってつもの | stubborn person |
