| 愚 | [ yú ] to be stupid, to cheat or deceive, me or I (modest) |
| 愚不可及 | [ yú bù kě jí ] impossibly stupid |
| 愚人 | [ yú rén ] stupid person, ignoramus |
| 愚人節 | [ yú rén jié ] April Fools' Day |
| 愚公移山 | [ yú gōng yí shān ] the old man moves mountains (idiom); fig. where there's a will, there's a way |
| 愚妄 | [ yú wàng ] stupid and arrogant |
| 愚孝 | [ yú ] unquestioning filial piety |
| 愚弄 | [ yú nòng ] to make a fool out of, to fool, to dupe |
| 愚弱 | [ yú ruò ] ignorant and feeble |
| 愚意 | [ yú yì ] my humble opinion |
| 愚懦 | [ yú nuò ] ignorant and timid |
| 愚拙 | [ yú zhuō ] clumsy and stupid |
| 愚昧 | [ yú meì ] ignorant, uneducated, ignorance |
| 愚昧無知 | [ yú meì wú zhī ] stupid and ignorant (idiom) |
| 愚民 | [ yú mín ] ignorant masses, to keep the people in ignorance |
| 愚氓 | [ yú méng ] fool, stupid person |
| 愚矇 | [ yú méng ] ignorant, stupid |
| 愚笨 | [ yú bèn ] stupid, clumsy |
| 愚蠢 | [ yú chǔn ] silly, stupid |
| 愚見 | [ yú jiàn ] my humble opinion |
| 愚鈍 | [ yú dùn ] stupid, slow-witted |
| 愚陋 | [ yú loù ] ignorant and backward |
| 愚頑 | [ yú wán ] ignorant and stubborn |
| 愚騃 | [ yú aí ] stupid, foolish |
| 愚魯 | [ yú lǔ ] dull-witted, foolish |
| ⇒ 先天愚型 | [ xiān tiān yú xíng ] Down syndrome, trisomy 21 |
| ⇒ 大勇若怯，大智若愚 | [ dà yǒng ruò qiè dà zhì ruò yú ] a great hero may appear timid, the wise may appear stupid (idiom); the general public may not recognize great talent |
| ⇒ 大愚 | [ dà yú ] idiot, ignorant fool |
| ⇒ 大智如愚 | [ dà zhì rú yú ] the wise may appear stupid (idiom); a genius not appreciated in his own time |
| ⇒ 大智若愚 | [ dà zhì ruò yú ] great intelligence may appear to be stupidity (idiom) |
| ⇒ 治愚 | [ zhì yú ] to eliminate backward (unscientific) ways of thinking |
| ⇒ 盧泰愚 | [ lú taì yú ] Roh Tae-woo (1932-), South Korean politician, president 1988-1993 |
