casus belli
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casus belli
- /ˈkeɪ.səs ˈbɛl.aɪ/
- /ˌkɑː-/
- /-ˈbɛl.i/
Where it comes from
From Latin cāsus (“occasion”) + bellī (“for war”, literally “of war”).
noun casus belli · casus bellis
- An act seen as justifying or causing a war; an act of war. In ancient times, repeatedly failing to pay tribute by a vassal state was often used as a casus belli by the patron.
Translations
Every language
noun act causing war
| 한국어 | 개전 이유 gaejeon iyu, 전쟁 명분 jeonjaeng myeongbun |
|---|---|
| 日本語 | 開戦理由 kaisen riyū, 開戦事由 kaisen jiyū |
| 中文 | 戰爭藉口 /战争借口 zhànzhēng jièkǒu, 開戰理由 /开战理由 kāizhàn lǐyóu |
| Português | casus belli |
| Français | casus belli |
| Deutsch | Casus Belli, Kriegsgrund |
| Italiano | casus belli |
| Ελληνικά | αφορμή πολέμου aformí polémou |
| Русский | ка́зус бе́лли kázus bɛ́lli |
| العربية | ذَرِيعَةُ الْحَرْبِ ḏarīʕatu al-ḥarbi |
Talk about this word "casus belli." Wiktionary, via Micwyn, micwyn.com/word/casus%20belli. Accessed 6 Nov. 2026. casus belli. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/casus%20belli "casus belli." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/casus%20belli.Cite this
@misc{casus_belli_2026,
title = {casus belli},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/casus%20belli},
urldate = {2026-11-06}
}
