| 笑止 | [しょうし, shoushi] (adj-na,n) laughable; ridiculous; pitiful; contemptible; absurdity |
| 不条理 | [ふじょうり, fujouri] (adj-na,n) absurdity; irrationality; inconsistency; (P) |
| 不道理 | [ふどうり, fudouri] (n) unreasonableness; absurdity; irrationality |
| 烏滸の沙汰 | [おこのさた, okonosata] (n) stupidity; absurdity; presumption; impertinence |
| 筋違い(P);すじ違い | [すじちがい, sujichigai] (n,vs) (1) cramp; sprain; crick; strain (muscle); (n) (2) unreasonableness; absurdity; (adj-no,adj-na) (3) illogical; unreasonable; (4) misdirected; misplaced; wrong (of estimate, guess); (P) |
| 背理 | [はいり, hairi] (n,vs) absurdity; irrationality |
| 荒唐無稽 | [こうとうむけい, koutoumukei] (adj-na,n) absurdity; nonsense; preposterous |
| 非常識 | [ひじょうしき, hijoushiki] (n) (1) lack of common sense; thoughtlessness; senselessness; irrationality; absurdity; (adj-na) (2) thoughtless; senseless; unreasonable; absurd; preposterous; aberrant; (P) |
| 頓珍漢(ateji) | [とんちんかん;トンチンカン, tonchinkan ; tonchinkan] (adj-na,n) (uk) absurdity; contradiction; incoherence; irrelevance |
| 馬鹿(P);莫迦(oK);破家 | [ばか(P);バカ, baka (P); baka] (n) (1) fool; idiot; (2) trivial matter; folly; absurdity; (adj-na) (3) foolish; stupid; dull; absurd; ridiculous; (n) (4) (abbr) (See 馬鹿貝) surf clam; (P) |