- 1. [adj-na] self-destructive; self-defeating; suicidal
Conjugation — Adjective (―na)
This word itself does not change -- these are forms of the copula だ ("to be") attached to it.
| Attributive (before a noun) | じめつてきな | (jimetsutekina) |
| Non-past, plain | じめつてきだ | (jimetsutekida) |
| Non-past, polite | じめつてきです | (jimetsutekidesu) |
| Past, plain | じめつてきだった | (jimetsutekidatta) |
| Past, polite | じめつてきでした | (jimetsutekideshita) |
| Negative, plain | じめつてきじゃない | (jimetsutekijanai) |
| Negative, polite | じめつてきじゃないです | (jimetsutekijanaidesu) |
| Past negative, plain | じめつてきじゃなかった | (jimetsutekijanakatta) |
| Past negative, polite | じめつてきじゃなかったです | (jimetsutekijanakattadesu) |
| Te-form | じめつてきで | (jimetsutekide) |
| Conditional (―nara) | じめつてきなら | (jimetsutekinara) |