HSK10+
hài
terrify
Phonosemantic compound. 馬 represents the meaning and 亥 represents the sound.
馬 Meaning component
mǎ
horse
亥 Sound component
12th terrestrial branch
Seal script
Regular script
骇 (駭)
terrify, frighten, scare; shock; to astonish; to startle; to hack (computing, loanword)
骇
to astonish
骇人听闻
shocking
惊骇
to be shocked
惊世骇俗
universally shocking
骇然
dumbstruck
Academia Sinica
Make Me a Hanzi
Unicode
Baxter-Sagart
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing