[意味] 恐ろしい、ぞっとするような;(敵・問題などが)手に負えない、手強い [例文] a formidable task 難しい仕事、難事 In debate he was a formidable opponent. She has a formidable list of qualification. [英英] if people, things or situations are formidable, you feel fear and/or respect for them, because they are impressive or powerful, or because they seem very difficult [類義語] ぞっとするような fearful, freezing, terrible, frightful, hair-raising 手強い toug