stupid, foolish
痴 centers on a lack of intelligence or good judgment: being stupid or foolish.
痴 is the modern simplified form of 癡. The older form combines 疒 (sickness) with 疑 (doubt), suggesting a mental condition of confusion or foolishness. The modern form replaces 疑 with 知 (know), which may reflect a phonetic or semantic simplification.
The sickness enclosure 疒 wraps around 知 (knowledge), like a mind afflicted by a lack of knowledge, leading to foolishness.
For チ, imagine a foolish person trying to eat cheese with chopsticks: cheese -> チ, and the silly scene matches the meaning of stupidity.
molester; groper; masher; pervert
idle complaint; grumble
female molester
tone deafness; amusia; having no ear for music
to grumble; to gripe; to complain
idiot; idiocy
dementia
foolishness; fool
foolishness; silliness; stupid conduct; idiotic behavior
being struck mad by love; foolish passion; blind love; infatuation; jealousy
lovers' quarrel
boisterous merrymaking; racket; spree
transformation of the population of Japan into idiots (because of television)
drunken bash; rave party
having no sense of taste
unsophisticated palate; inability to discern good and bad flavours
being struck mad by love; blind love
prone to complaining; petulant; querulous; grumpy
the darkness of ignorance
to whinge; to kvetch; to gripe; to complain; to whine