Japanese symbol for “hypnotic”

催眠剤

さいみんざい

Romaji: saiminzai

sleeping medicine; hypnotic; soporific

In Japanese, hypnotic is 催眠剤, read さいみんざい (saiminzai).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

n sleeping medicine; hypnotic; soporific

Kanji and stroke order

催

sponsor, hold (a meeting), give (a dinner)

on: サイ
kun: もよう.す、もよお.す

13 strokes · JLPT 1

眠

sleep, die, sleepy

on: ミン
kun: ねむ.る、ねむ.い

10 strokes · JLPT 2

剤

dose, medicine, drug

on: ザイ、スイ、セイ
kun: かる、けず.る

10 strokes · JLPT 1

Related words

Words that share a kanji.

Word	Reading	Meaning
開催	かいさい kaisai	holding (a conference, exhibition, etc.); opening; hosting (e.g. the Olympics)
主催	しゅさい shusai	sponsorship (i.e. conducting under one's auspices); promotion; organizing
催し	もよおし moyooshi	event; festivities; function
催眠	さいみん saimin	hypnosis
催す	もよおす moyoosu	to hold (an event); to give (a dinner, party, etc.)
催促	さいそく saisoku	pressing; urging; demanding
睡眠	すいみん suimin	sleep
眠り	ねむり nemuri	sleep; sleeping
洗剤	せんざい senzai	detergent; cleanser; cleaning agent

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.