冷やす・冷す|ひやすhiyasu[2]nakadaka (mid-high)

JLPT N2approx.Common
Which spelling to use
冷やす冷やす is the more common written form and the one beginners should normally choose.
冷す冷す is a less common written variant; recognize it, but choose 冷やす when writing.
Definitions
  1. godan verb, transitive verbto cool; to chill; to refrigerate
    ワインをもっと冷ひやしたいんだ。↗
    I want to chill the wine more.
  2. godan verb, transitive verbto calm down; to cool off; to regain one's composure; to relax
  3. godan verb, transitive verbto be frightened (at); to be scared (of)
Conjugation
Dictionary form冷やす(ひやす)
Polite (masu)冷やします(ひやします)
Negative (nai)冷やさない(ひやさない)
polite (masen)冷やしません(ひやしません)
classical zu / nu冷やさず・冷やさぬ(ひやさず・ひやさぬ)
Past (ta)冷やした(ひやした)
polite (mashita)冷やしました(ひやしました)
Past negative (nakatta)冷やさなかった(ひやさなかった)
polite (masen deshita)冷やしませんでした(ひやしませんでした)
Te form冷やして(ひやして)
Potential冷やせる(ひやせる)
Passive冷やされる(ひやされる)
Causative冷やさせる(ひやさせる)
Causative passive冷やさせられる(ひやさせられる)
Conditional (ba)冷やせば(ひやせば)
tara冷やしたら(ひやしたら)
Volitional冷やそう(ひやそう)
polite (mashou)冷やしましょう(ひやしましょう)
Imperative冷やせ(ひやせ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Transitive / intransitive pair
transitive冷やすひやす⇄intransitive冷えるひえる
ビールが冷ひえる
ビールを冷ひやす
冷える describes something becoming cold by itself, while 冷やす indicates that an agent actively cools it.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Synonyms & antonyms
  • Synonym冷ますさますNeutralFor letting something hot cool down, as 「スープを冷ます」; also to dampen enthusiasm. 「冷やす」 stresses actively lowering the temperature, like chilling drinks or a cold compress.
  • Synonym冷却れいきゃくNeutralA noun for cooling, as in 「冷却装置」; mostly used for machinery and technical contexts.
  • Antonym温めるあたためるNeutralTo warm or heat something up; the opposite of 「冷やす」.
  • Antonym熱するねっするNeutralTo heat something to a high temperature; the opposite of 「冷やす」.

Use 「冷やす」 for chilling, cooling, or calming down, as in 「ビールを冷やす」 and 「頭を冷やす」. Choose 「冷ます」 for letting hot things cool, 「冷却」 for mechanical cooling; 「温める」 is the opposite.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 物ものの温度おんどをさげる。
  2. 熱狂ねっきょうしているものを落ち着おちつかせる。冷静れいせいにさせる。
  3. 身みの危険きけんを感かんじて、寒気さむけを覚おぼえる。
Kanji in this word
English equivalents
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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