笨 bèn : stupid; foolish; silly; slow-witted; clumsy

Big5: , Unicode: 7b28 (笨),
Links: MT, Cantonese, Ld, Chinese Language

笨 拙 bèn zhuō : clumsy; awkward; stupid

痴 «癡» chī : imbecile; sentimental; stupid; foolish; silly

Big5: , Unicode: 75f4 (痴),
Links: MT, Cantonese, Ld, Chinese Language

蠢 «惷» chǔn : blunt; stupid; to wiggle (of worms); sluggish

Big5: , Unicode: 8822 (蠢),
Links: MT, Cantonese, Ld, Chinese Language

惷 «蠢» chǔn : blunt; stupid; to wiggle (of worms)

Big5: , Unicode: 60f7 (惷),
Links: MT, Cantonese, Ld, Chinese Language

呆 «騃» dāi : foolish; stupid; no expression; stay

Big5: , Unicode: 5446 (呆),
Links: MT, Cantonese, Ld, Chinese Language

獃 «呆» dāi : stay; stupid

Big5: , Unicode: 7343 (獃),
Links: MT, Cantonese, Ld, Chinese Language

鈍 [钝] dùn : blunt; stupid

Big5: , Unicode: 920d (鈍),
Links: MT, Cantonese, Ld, Chinese Language

譾 [谫] «謭» jiǎn : shallow; stupid

Big5: , Unicode: 8b7e (譾),
Links: MT, Cantonese, Ld, Chinese Language

懵 měng : stupid

Big5: , Unicode: 61f5 (懵),
Links: MT, Cantonese, Ld, Chinese Language

頑 [顽] wán : mischievous; obstinate; to play; stupid; stubborn; naughty

Big5: , Unicode: 9811 (頑),
Links: MT, Cantonese, Ld, Chinese Language

嚚 yín : insincere; stupid

Big5: , Unicode: 569a (嚚),
Links: MT, Cantonese, Ld, Chinese Language

愚 yú : stupid

Big5: , Unicode: 611a (愚),
Links: MT, Cantonese, Ld, Chinese Language

愚 笨 yú bèn : stupid

戇 [戆] zhuàng : simple; stupid

Big5: , Unicode: 6207 (戇),
Links: MT, Cantonese, Ld, Chinese Language