rigid

(rĭj'ĭd)
adj.

1. Not flexible or pliant; stiff.
2. Not moving; fixed.
3. Marked by a lack of flexibility; rigorous and exacting: "We have watered down a rigid training . . . until we now have an educational diet in many of our public high schools that nourishes neither the classes nor the masses" (Agnes Meyer).
4. Scrupulously maintained or performed: rigid discipline. See synonyms at stiff.

[Middle English rigide, from Latin rigidus, from rigēre, to be stiff.]

rigidly rig'id·ly adv.
rigidness rig'id·ness n.

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adjective

1. Not changing shape or bending: inelastic, inflexible, stiff, unbending, unyielding. See flexible/rigid.
2. Incapable of changing or being modified: immutable, inalterable, inflexible, invariable, ironclad, unalterable, unchangeable. See flexible/rigid.
3. Firmly, often unreasonably immovable in purpose or will: adamant, adamantine, brassbound, die-hard, grim, implacable, incompliant, inexorable, inflexible, intransigent, iron, obdurate, relentless, remorseless, stubborn, unbendable, unbending, uncompliant, uncompromising, unrelenting, unyielding. Idioms: stubborn as amuleox. See resist/yield.
4. Rigorous and unsparing in treating others: demanding, exacting, hard, harsh, severe, stern, strict, tough, unyielding. See easy/hard.

adj

Definition: stiff, strict, severe
Antonyms: bending, flexible, lenient, limber, pliable, pliant, soft, yielding

IN BRIEF: Stiff and firm; held firmly. Also: Strict; not changing.

The rigid wooden beams supported the roof of the house.

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(in lipid biochemistry) a term sometimes used to describe the ordered phase of a lipid bilayer below the phase transition temperature. See phase transition (of lipids).

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For a list of words related to rigid, see:

• Dominant, Stubborn, Proud, or Confident
• Proper, Courteous, Refined, or Puritanical

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See words rhyming with "rigid."

  See crossword solutions for the clue Rigid.

Dansk (Danish)
adj. - stiv, uelastisk, ufleksibel, ubøjelig, streng
n. - (ngt. der er stift osv.)

Nederlands (Dutch)
stijf, star

Français (French)
adj. - rigide, strict, raide
n. - rigidité

Deutsch (German)
adj. - steif, hart, starr
n. - Steifheit

Ελληνική (Greek)
adj. - άκαμπτος, αλύγιστος, δύσκαμπτος, ακίνητος (κν. κοκαλωμένος), αυστηρός, άτεγκτος

Italiano (Italian)
rigido

Português (Portuguese)
adj. - rígido, inflexível, rigoroso

Русский (Russian)
жесткий, негнущийся, негибкий

Español (Spanish)
adj. - rígido, tieso, inflexible, severo, riguroso
n. - persona severa o inflexible

Svenska (Swedish)
adj. - rigid, fast, sträng

中文（简体）(Chinese (Simplified))
坚硬的, 不易弯曲的, 坚固的, 严格的, 硬式飞艇

中文（繁體）(Chinese (Traditional))
adj. - 堅硬的, 不易彎曲的, 堅固的, 嚴格的
n. - 硬式飛艇

한국어 (Korean)
adj. - 단단한, 엄격한, 딱딱한
n. - 단단함, 엄격함

日本語 (Japanese)
adj. - 硬い, 堅い, 硬直した, 頑固な, 厳しい, 厳格な, 固定した, 厳正な

العربيه (Arabic)
‏(صفه) جامد, صلب, قاس,‏

עברית (Hebrew)
adj. - ‮קשוח, קשה, מאובן, קפדן‬
n. - ‮קשוח, קשה, מאובן, קפדן‬

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