- 1. [exp, v5s] to turn into a state of feverish mood
Conjugation — Verb (godan-su)
| Dictionary form | るつぼとかす | (rutsubotokasu) |
| Polite | るつぼとかします | (rutsubotokashimasu) |
| Past, plain | るつぼとかした | (rutsubotokashita) |
| Past, polite | るつぼとかしました | (rutsubotokashimashita) |
| Negative, plain | るつぼとかさない | (rutsubotokasanai) |
| Negative, polite | るつぼとかしません | (rutsubotokashimasen) |
| Past negative, plain | るつぼとかさなかった | (rutsubotokasanakatta) |
| Past negative, polite | るつぼとかしませんでした | (rutsubotokashimasendeshita) |
| Te-form | るつぼとかして | (rutsubotokashite) |
| Potential | るつぼとかせる | (rutsubotokaseru) |
| Volitional | るつぼとかそう | (rutsubotokasou) |
| Conditional (―ba) | るつぼとかせば | (rutsubotokaseba) |
| Passive | るつぼとかされる | (rutsubotokasareru) |
| Causative | るつぼとかさせる | (rutsubotokasaseru) |
| Imperative | るつぼとかせ | (rutsubotokase) |