緩める・弛める|ゆるめるyurumeru[3]nakadaka (mid-high)

JLPT N1approx.Common
Which spelling to use
緩める緩める(ゆるめる) is the more common form and the one beginners should use for all the listed meanings. It appears in both kanji-and-kana writing and kana writing.
弛める弛める(ゆるめる) is rarely used. It has the same listed meanings as 緩める(ゆるめる), so learners mainly need to recognize it when they encounter it.
Definitions
  1. ichidan verb, transitive verbto loosen; to slacken
  2. ichidan verb, transitive verbto relax (attention, efforts, etc.); to let down (one's guard); to relieve (tension)
  3. ichidan verb, transitive verbto relax (a rule); to ease (e.g. restrictions); to loosen (control)
    その規則きそくは最近さいきん緩ゆるめられた。↗
    The rules were recently relaxed.
  4. ichidan verb, transitive verbto reduce (speed); to slow down; to ease up
  5. ichidan verb, transitive verbto make more gradual (of a slope)
Conjugation
Dictionary form緩める(ゆるめる)
Polite (masu)緩めます(ゆるめます)
Negative (nai)緩めない(ゆるめない)
polite (masen)緩めません(ゆるめません)
classical zu / nu緩めず・緩めぬ(ゆるめず・ゆるめぬ)
Past (ta)緩めた(ゆるめた)
polite (mashita)緩めました(ゆるめました)
Past negative (nakatta)緩めなかった(ゆるめなかった)
polite (masen deshita)緩めませんでした(ゆるめませんでした)
Te form緩めて(ゆるめて)
Potential緩められる(ゆるめられる)
Passive緩められる(ゆるめられる)
Causative緩めさせる(ゆるめさせる)
Causative passive緩めさせられる(ゆるめさせられる)
Conditional (ba)緩めれば(ゆるめれば)
tara緩めたら(ゆるめたら)
Volitional緩めよう(ゆるめよう)
polite (mashou)緩めましょう(ゆるめましょう)
Imperative緩めろ(ゆるめろ)

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

Transitive / intransitive pair
transitive緩めるゆるめる⇄intransitive緩むゆるむ
紐ひもを緩ゆるめる
緩む describes something becoming loose on its own or as a natural change, while 緩める indicates that someone deliberately loosens it.

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

Synonyms & antonyms
  • Synonym緩和かんわWrittenWritten/formal prose. Sino-Japanese noun, also 「緩和する」: eases a situation, pain or symptoms, or relaxes rules, as in 「規制緩和」; 「緩める」 is a concrete native verb.
  • Synonym和らげるやわらげるNeutralSoftens or eases, as in 「痛みを和らげる」; about making things gentler, not for loosening a rope.
  • Synonym弛めるたるめるWrittenWritten/formal prose. Makes something taut go slack, as with a rope; few examples in use, and 「緩める」 is the everyday word.
  • Related軽減けいげんWrittenWritten/formal prose. Reduces a burden in quantity, as in 「税の軽減」; not used for loosening a knot.
  • RelatedほぐすNeutralUntangles knotted things or breaks up clumps, and kneads away stiffness, as in 「肩をほぐす」「緊張をほぐす」; 「緩める」 is about easing tightness.
  • Related弱めるよわめるNeutralWeakens strength or force, as in 「勢力を弱める」; about lowering intensity, not loosening something.
  • Related鈍らすにぶらすWrittenWritten/formal prose. Dulls or blunts keenness, as in 「決心を鈍らす」; about sapping sharpness, not loosening.
  • RelatedとくNeutralUnties knots or solves problems, as in 「紐を解く」; it undoes the fastening altogether, while 「緩める」 reduces tightness without undoing it.
  • Antonym締めるしめるNeutralTies or tightens, the opposite of loosening 「緩める」, as in 「ネクタイを締める」.
  • Antonym緊張させるNeutralMakes someone tense, the opposite of relaxing the mind with 「緩める」.

Use 「緩める」 to loosen screws or belts, relax attention or guard, or ease rules, as in 「ネクタイを緩める」「速度を緩める」. For easing a situation, symptoms or regulations, say 「緩和」; for kneading away stiffness or untangling, 「ほぐす」; the opposite of loosening is 「締める」.

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

Japanese definitions
  1. 緩ゆるくする。しめつける力ちからを弱よわくする。かたく締しまったものをゆったりさせる。
  2. 緊張きんちょうをとく。気持きもちをゆったりさせる。
  3. 油断ゆだんする。
  4. 表情ひょうじょうを温和おんわにする。笑顔えがおにする。
  5. 取締とりしまり、規制きせい、追及ついきゅうなどを緩和かんわする。
  6. 速度そくどや勢いきおいなどを弱よわくする。
  7. 水分すいぶんを含ふくませてやわらかくする。うすめる。
  8. 傾斜けいしゃをなだらかにする。
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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