酷 (kù) means “ruthless”. The 酷 stroke order has 14 strokes; the animation above shows them one at a time. Its radical is 酉. To practise how to write 酷, open writing practice; to hear how to pronounce 酷, use the pronunciation trainer.
Words with 酷
酷 — kù, ruthless; strong (e.g. of wine); (loanword) cool; hip