醒 means “awaken, sober up”

せい · sei

Also: awake, be disillusioned

Kun'yomi (Japanese reading)
さます, さめる
On'yomi (Chinese reading)
セイ

JLPT N1 · Taught in secondary school · 16 strokes

The story

A wine jar (酉) beside a star (星): picture leaving a party under the night sky and feeling the drink wear off. 醒 is waking clear-headed: 覚醒 is awakening, and 酔いが醒める is sobering up.

Used in 覚醒 (kakusei, awakening), 覚醒剤 (kakuseizai, stimulant drugs), and 醒める (sameru, to sober up/come to one's senses)

More from Rest & Unrest

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