難攻不落
日本語 · Thesaurus
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難攻不落
Where it comes from
守る側に主体がある言葉「不落（攻撃に耐えて落ちないこと）」に、攻める側の言葉として「難攻（攻めがたい）」を付け加えた四字熟語。
Thesaurus
In English
- impregnable of a fortress or other fortified place: able to withstand all attacks — see also
Talk about this word "難攻不落." Wiktionary, via Micwyn, micwyn.com/word/ja/%E9%9B%A3%E6%94%BB%E4%B8%8D%E8%90%BD. Accessed 7 Nov. 2026. 難攻不落. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/ja/%E9%9B%A3%E6%94%BB%E4%B8%8D%E8%90%BD "難攻不落." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/ja/%E9%9B%A3%E6%94%BB%E4%B8%8D%E8%90%BD.Cite this
@misc{micwyn_2026,
title = {難攻不落},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/ja/%E9%9B%A3%E6%94%BB%E4%B8%8D%E8%90%BD},
urldate = {2026-11-07}
}
