HSK10+
kùn
sleepy, tired
Phonosemantic compound. 目 represents the meaning and 困 represents the sound.
目 Meaning component
mù
eye
困 Sound component
to trap, surround
困 (睏)
be tired, sleepy; sleepy; tired
困难
difficult
困
to trap
困扰
to perplex
贫困
poverty
困惑
bewildered
Make Me a Hanzi
Unicode
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing
漢語多功能字庫