長大|ちょうだいchoudai[0]heiban (flat)
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- na-adjective, nounlong and large; tall and large; grand; huge
Conjugation
| Plain form | 長大(ちょうだい) |
|---|---|
| Polite (desu) | 長大です(ちょうだいです) |
| Negative (dewa nai) | 長大ではない(ちょうだいではない) |
| polite (dewa arimasen) | 長大ではありません(ちょうだいではありません) |
| Past (datta) | 長大だった(ちょうだいだった) |
| Past negative (dewa nakatta) | 長大ではなかった(ちょうだいではなかった) |
| Te form (de) | 長大で(ちょうだいで) |
| Adverbial (ni) | 長大に(ちょうだいに) |
| Conditional (nara) | 長大なら(ちょうだいなら) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Antonym矮小わいしょうWrittenAntonym of 「長大」 in height and largeness: diminutive in stature; by extension narrow (e.g. thinking). Written/formal prose.
- Antonym短小たんしょうWrittenAntonym of 「長大」 in both length and size: short and small. A written/formal prose word.
Use 「長大」 for things long and large, or grand, as in 「長大な論文」 and 「長大な橋」. The antonyms are 「短小」, short and small, and 「矮小」, diminutive or narrow (e.g. thinking); both belong to written/formal prose.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


