陥かん穽せいかんせいMeanings1nountrap; pitfall; snareLiterary or formal word for a physical trap or a metaphorical pitfall. Often used in written language or set phrases.彼かれの甘あまい言こと葉ばは、まさに陥かん穽せいだった。His sweet words were nothing but a trap.この計けい画かくには多おおくの陥かん穽せいが潜ひそんでいる。This plan is full of hidden pitfalls.