- 1. [adj-na, adj-no, n] reversible
- 2. [n, adj-na] {math} invertible
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) | かぎゃくな | (kagyakuna) |
| Non-past, plain | かぎゃくだ | (kagyakuda) |
| Non-past, polite | かぎゃくです | (kagyakudesu) |
| Past, plain | かぎゃくだった | (kagyakudatta) |
| Past, polite | かぎゃくでした | (kagyakudeshita) |
| Negative, plain | かぎゃくじゃない | (kagyakujanai) |
| Negative, polite | かぎゃくじゃないです | (kagyakujanaidesu) |
| Past negative, plain | かぎゃくじゃなかった | (kagyakujanakatta) |
| Past negative, polite | かぎゃくじゃなかったです | (kagyakujanakattadesu) |
| Te-form | かぎゃくで | (kagyakude) |
| Conditional (―nara) | かぎゃくなら | (kagyakunara) |