盤石・磐石|ばんじゃくbanjaku[0]heiban (flat)
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Which spelling to use
盤石盤石 is the most common spelling and the recommended choice for learners; use it when you need to write this word.
磐石磐石 is a less common kanji variant of 盤石, so beginners are less likely to encounter it and should generally choose 盤石 instead.
Definitions
- nounhuge rock
- no-adjective, na-adjectivefirmness; solidity
Conjugation
| Plain form | 盤石（ばんじゃく） |
|---|---|
| Polite (desu) | 盤石です（ばんじゃくです） |
| Negative (dewa nai) | 盤石ではない（ばんじゃくではない） |
| polite (dewa arimasen) | 盤石ではありません（ばんじゃくではありません） |
| Past (datta) | 盤石だった（ばんじゃくだった） |
| Past negative (dewa nakatta) | 盤石ではなかった（ばんじゃくではなかった） |
| Te form (de) | 盤石で（ばんじゃくで） |
| Adverbial (ni) | 盤石に（ばんじゃくに） |
| Conditional (nara) | 盤石なら（ばんじゃくなら） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Synonyms & antonyms
- Antonym脆弱ぜいじゃくWrittenWritten/formal prose. Fragile and easily crushed — the direct opposite of the unshakeable, rock-solid 「盤石」.
- Antonym不安定ふあんていNeutralNeutral. Unstable, with a footing that can easily be shaken — the everyday opposite of rock-steady 「盤石」.
- Antonym危ういあやういNeutralNeutral. Precarious and liable to collapse at any moment — the opposite of indestructible 「盤石」.
Use 「盤石」 for a foundation or position that is rock-solid and unshakeable, as in 「盤石の体制」 or 「盤石の守り」. The opposites are 「脆弱」 (fragile, written/formal) and 「不安定」 (unstable, everyday).
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese definitions
Kanji in this word
