quiet

(blue) + (battle)
★★★★☆
14 strokes

Onyomi

SEI

Please SAY it quietly, so you don't wake the baby.

Mnemonic

Fish battling in the blue ocean are quiet- compared to birds or apes battlin'.

Kunyomi

しず*か ( ) quiet
★★★★★

Jukugo

冷静(れいせい)

cool-headed ★★☆☆☆
(cold thing) + (quiet) = 冷静 (cool-headed)

cool-headed, calm person - someone who doesn't panic when the shit goes down.

Synonyms

quiet or peaceful
穏やか    平穏    静か    安静