恣 means “arbitrary, self-indulgent”

し · shi

Also: selfish

Kun'yomi (Japanese reading)
ほしいまま
On'yomi (Chinese reading)
シ

JLPT N1 · Taught in secondary school · 10 strokes

The story

One wish after the next (次) piled on the heart (心): picture someone doing whatever comes to mind. 恣 lives in 恣意, whim, and above all in 恣意的, arbitrary, the word critics use for a ruling or a rule made on a whim.

Used in 恣意的 (shiiteki, arbitrary) and 恣意 (shii, arbitrariness/whim)

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.