Definition of 杞人忧天
1. (Qǐ rén yōu tiān) man of Qǐ fears the sky falling (idiom); groundless fears
2. (Qǐ rén - yōu tiān) lit. like the man of 杞[Qi3] who feared the sky would fall (idiom); fig. to entertain groundless fears
Synonyms of 杞人忧天
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