[Sửa] Dại dột, ngu xuẩn, xuẩn ngốc ( (cũng) fool)

penny wise, pound foolish

chi khoản nhỏ thì chi li, chi khoản lớn lại hào phóng

[Sửa] khùng

[Sửa] dại khờ

[Sửa] Adj.

[Sửa] Senseless, incautious, imprudent, impolitic, indiscreet,unwise, injudicious, ill-considered, ill-advised, misguided,short-sighted, impetuous, headlong, rash, brash, reckless,hasty, heedless, unwary, foolhardy, thoughtless, mindless:Standing under a tree in a thunderstorm is foolish.

[Sửa] Nonsensical, stupid, asinine, inane, silly, fatuous, fatuitous,dim-witted, scatterbrained, hare-brained, crazy, mad, insane,demented, irrational, erratic, unstable, crack-brained,feather-brained, bird-brained, simple-minded, light-headed,muddle-headed, numskulled or numbskulled, addle-pated,rattle-brained, bemused, confused, feeble-minded, moronic,idiotic, imbecilic, halfwitted, dull-witted, slow-witted,witless, brainless, empty-headed, blockheaded, boneheaded,thickheaded, obtuse, stolid, Colloq dumb, balmy or Brit barmy,loony, nuts, nutty, batty, dopey or dopy, soft (in the head),dim, thick, dippy, dotty, dizzy, Brit potty, daft, Slang cuckoo,goofy, screwy, wacky: Tracy was foolish to believe him when hesaid he loved her.

[Sửa] Preposterous, ridiculous, absurd,irrational, illogical, unreasonable, ludicrous, wild: They havesome foolish idea about building a hotel in Antarctica.

[Sửa] Adj.

[Sửa] (of a person, action, etc.) lacking good sense orjudgement; unwise.

[Sửa] Foolishly adv. foolishness n.