Readings
Kun readingうら.む、うらみ、うら.めしい Meanings
Radicals and components
Radical心heartComponents Mnemonic (RtK)
ⓘmailbox · evening · fingerprint · heart (心)
From "Remembering the Kanji" by James Heisig · Frame 1524
Practice Writing
Practice Writing 怨
Draw with a guide, then from memory — checked at every step