Common word› Freq. Frequency Top 20,000 Conjugation 硬直する · noun or participle which takes 'suru'
Form Positive Negative Dictionary 硬こう 直ちょく する 硬こう 直ちょく しない Polite 硬こう 直ちょく します 硬こう 直ちょく しません Past polite 硬こう 直ちょく しました 硬こう 直ちょく しませんでした Past 硬こう 直ちょく した 硬こう 直ちょく しなかった Te-form 硬こう 直ちょく して 硬こう 直ちょく しないで Desire 硬こう 直ちょく したい 硬こう 直ちょく したくない Potential 硬こう 直ちょく できる 硬こう 直ちょく できない Passive 硬こう 直ちょく される 硬こう 直ちょく されない Causative 硬こう 直ちょく させる 硬こう 直ちょく させない Causative passive 硬こう 直ちょく させられる 硬こう 直ちょく させられない Volitional 硬こう 直ちょく しよう Polite volitional 硬こう 直ちょく しましょう Imperative 硬こう 直ちょく しろ 硬こう 直ちょく するな Conditional 硬こう 直ちょく すれば 硬こう 直ちょく しなければ Tara conditional 硬こう 直ちょく したら 硬こう 直ちょく しなかったら
Usage patterns 〈 物もの 〉 が 硬こう 直ちょく する for a body or muscle to stiffen
My body stiffened with fear.
〈 事こと 〉 が 硬こう 直ちょく 化か する for a system, way of thinking, etc. to become rigid and inflexible
The organization has become rigid and inflexible.
硬こう 直ちょく した 態たい 度ど a rigid, inflexible attitude
He wouldn't budge from his rigid stance.
Kanji 直 straightaway, honesty, frankness Related words· 9 硬化 emphasizes physical hardening (e.g. arteries, resin) and is often medical/technical, while 硬直 stresses a loss of flexibility or movement, often with negative connotations like 'getting stuck'.
強直 is a near-synonym used mainly in medical contexts for muscular or joint stiffness, whereas 硬直 is broader and also covers figurative rigidity in thinking or systems.
固まる is a common, everyday verb for solidifying or freezing up (e.g. jelly, or someone frozen with fear), while 硬直 is more formal and specifically emphasizes stiffness/rigidity rather than solidification.
硬直 is a formal noun/suru-verb for 'stiffening' or 'rigidity', used for muscles or systems, while 硬い is the everyday adjective for something stiff or tight.
Show 5 more Show fewer 硬直 is a more formal, often medical or technical word for rigidity, while ガチガチ is a casual mimetic word for the same stiff feeling.
硬直 covers general stiffening or rigidity (muscles, bodies, attitudes), whereas 勃起 refers specifically to penile erection.
硬直 is a more formal, often physiological term for the body freezing stiff, while フリーズ is the casual way to describe freezing from shock.
硬直する is a more formal, often clinical word (e.g. rigor mortis, severe muscle rigidity), while 強張る is the everyday word for a face or body tensing up.
硬直 describes stiffness or rigidity of muscles or joints, whereas 麻痺 refers to a loss of movement or sensation rather than stiffening.
Opposites 柔軟 describes flexibility or suppleness, the direct opposite of the stiffness and rigidity described by 硬直 .
硬直 means stiffness or rigidity that resists change, the direct opposite of the springy give-and-return of 弾力 .
硬直 means rigidity or inflexibility, contrasting with 融通 's sense of adaptability and willingness to accommodate.
Etymology Compound of 硬 (hard, stiff) and 直 (straight, direct). The combination suggests something that is stiff and unbending.
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