| yú | stupid |
| 愚 | to be stupid to cheat or deceive me or I (modest) |
| 愚不可及 | impossibly stupid |
| 愚人 | stupid person ignoramus |
| 愚人节 | April fool's day |
| 愚人节快乐 | April Fool! |
| 愚公移山 | the old man moves mountains (idiom); fig. where there's a will, there's a way |
| 愚妄 | stupid and arrogant |
| 愚弄 | to make a fool out of to fool to dupe |
| 愚忠 | blind devotion |
| 愚意 | in my humble opinion (lit. stupid opinion) |
| 愚懦 | ignorant and weak |
| 愚拙 | clumsy and stupid |
| 愚昧 | ignorant uneducated |
| 愚昧无知 | stupid and ignorant (idiom) |
| 愚昧落后 | ignorant and backward |
| 愚民 | block-head |
| 愚民政策 | obscurant; policy of keeping the people in ignorance; policy of obscurantism |
| 愚氓 | fool stupid person |
| 愚痴 | imbecility |
| 愚直 | stupidly honest |