double-edged sword
Definition from Wiktionary, the free dictionary
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English [edit]
Etymology [edit]
From the notion that two sides of the same blade are sharp — it cuts both ways. Its origin is from the same Arabic expression سيف ذو حدين (sayf zou hadayn, “double-edged sword”). The term is first attested in the 15th century. It is not to be confused with a double-ended sword.
Noun [edit]
double-edged sword (plural double-edged swords)
- (idiomatic) A benefit that is also a liability, or that carries some significant but non-obvious cost or risk.
Synonyms [edit]
Translations [edit]
idiomatic
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