Rigid

• POS: Adjective
• HYPHEN: rig=id

CIDE DICTIONARY

Rigid, a. [L. rigidus, fr. rigere to be stiff or numb: cf. F. rigide. Cf. Rigor. ].

•  Firm; stiff; unyielding; not pliant; not flexible.  [1913 Webster]

  "Upright beams innumerable
  Of rigid spears."  [1913 Webster]
•  Hence, not lax or indulgent; severe; inflexible; strict; as, a rigid father or master; rigid discipline; rigid criticism; a rigid sentence.  [1913 Webster]

  "The more rigid order of principles in religion and government."  [1913 Webster]

Syn. -- Stiff; unpliant; inflexible; unyielding; strict; exact; severe; austere; stern; rigorous; unmitigated.

OXFORD DICTIONARY

Rigid, adj.
1 not flexible; that cannot be bent (a rigid frame).
2 (of a person, conduct, etc.) inflexible, unbending, strict, harsh, punctilious (a rigid disciplinarian; rigid economy).

Derivative

rigidity n. rigidly adv. rigidness n.

Etymology

F rigide or L rigidus f. rigere be stiff

THESAURUS

Rigid

abiding, accurate, adamant, adamantine, at a standstill, attentive, austere, buckram, careful, cast-iron, changeless, close, conscientious, constant, continuing, correct, critical, delicate, demanding, detailed, determined, direct, dogged, dour, draconian, durable, enduring, even, exact, exacting, exigent, express, exquisite, faithful, fine, finical, finicking, finicky, firm, firm as Gibraltar, fixed, flinty, frozen, fundamentalist, fussy, grim, hard, hard and fast, hard-core, hard-line, harsh, headstrong, hidebound, immobile, immotile, immotive, immovable, immutable, implacable, impliable, in buckram, inelastic, inerrable, inerrant, inexorable, infallible, inflexible, infrangible, intact, intransigent, inviolate, iron, ironbound, ironclad, ironhanded, irreconcilable, irremovable, lasting, literal, made of iron, mathematical, meticulous, micrometrically precise, microscopic, minute, mulish, muscle-bound, narrow, nice, obdurate, obstinate, orthodox, painstaking, particular, pat, permanent, perpetual, persevering, persistent, pigheaded, pinpoint, pokerlike, precise, precisianistic, precisionistic, prim, procrustean, punctilious, punctual, purist, puristic, puritan, puritanic, quiescent, ramrodlike, refined, relentless, religious, religiously exact, remaining, renitent, resolute, resolved, rigorist, rigoristic, rigorous, rock-ribbed, rockbound, rodlike, scientific, scientifically exact, scrupulous, scrutinizing, set, severe, single-minded, solid, sound, square, stable, standpat, starch, starched, starchy, static, stationary, staunch, staying, steadfast, steely, stern, stiff, stiff as buckram, stilted, stout, straightlaced, strait-laced, straitlaced, strict, stringent, strong, stubborn, sturdy, subtle, sustained, taut, tenacious, tense, thorough, tight, torpid, tough, unadaptable, unaffected, unalterable, unaltered, unbending, unbreakable, unchangeable, unchanged, unchanging, unchecked, uncompliant, uncompromising, undestroyed, undeviating, unerring, unfading, unfailing, unflexible, ungiving, unmovable, unmoved, unmoving, unqualified, unrelaxed, unrelenting, unshifting, unswerving, unvaried, unvarying, unwavering, unyielding, virgate

ROGET THESAURUS

Rigid

Conformity

N conformity, conformance, observance, habituation, naturalization, conventionality, agreement, example, instance, specimen, sample, quotation, exemplification, illustration, case in point, object lesson, elucidation, standard, model, pattern, rule, nature, principle, law, order of things, normal state, natural state, ordinary state, model state, normal condition, natural condition, ordinary condition, model condition, standing dish, standing order, Procrustean law, law of the Medes and Persians, hard and fast rule, conformable to rule, regular, according to regulation, according to rule, according to Hoyle, according to Cocker, according to Gunter, en regle, selon les regles, well regulated, orderly, symmetric, conventional, of daily occurrence, of everyday occurrence, in the natural order of things, ordinary, common, habitual, usual, everyday, workaday, in the order of the day, naturalized, typical, normal, nominal, formal, canonical, orthodox, sound, strict, rigid, positive, uncompromising, Procrustean, secundum artem, shipshape, technical, exempIe, illustrative, in point, conformably, by rule, agreeably to, in conformity with, in accordance with, in keeping with, according to, consistently with, as usual, ad instar, instar omnium, more solito, more-majorum, for the sake of conformity, as a matter of course, of course, pro forma, for form's sake, by the card, invariably, for example, exempli gratia, e, g, inter alia, among other things, for instance, cela va sans dire, ex pede Herculem, noscitur a sociis, ne e quovis ligno Mercurius fiat, they are happy men whose natures sort with their v, The nail that sticks up hammered down, Tall poppy syndrome, Stick your neck out and it may get cut off.

Severity

N severity, strictness, harshness, rigor, stringency, austerity, inclemency, arrogance, precisianism, arbitrary power, absolutism, despotism, dictatorship, autocracy, tyranny, domineering, oppression, assumption, usurpation, inquisition, reign of terror, martial law, iron heel, iron rule, iron hand, iron sway, tight grasp, brute force, brute strength, coercion, strong hand, tight hand, hard lines, hard measure, tender mercies, sharp practice, pipe-clay, officialism, tyrant, disciplinarian, precisian, martinet, stickler, bashaw, despot, hard master, Draco, oppressor, inquisitor, extortioner, harpy, vulture, accipitres, birds of prey, raptorials, raptors, severe, strict, hard, harsh, dour, rigid, stiff, stern, rigorous, uncompromising, exacting, exigent, exigeant, inexorable, inflexible, obdurate, austere, hard-headed, hard-nosed, hard-shell, relentless, Spartan, Draconian, stringent, strait-laced, searching, unsparing, iron-handed, peremptory, absolute, positive, arbitrary, imperative, coercive, tyrannical, extortionate, grinding, withering, oppressive, inquisitorial, inclement, cruel, haughty, arrogant, precisian, severely, with a high hand, with a strong hand, with a tight hand, with a heavy hand, at the point of the sword, at the point of the bayonet, Delirant reges plectuntur Achivi, manu forti, ogni debole ha sempre il suo tiranno.

Hardness

N hardness, rigidity, renitence, renitency, inflexibility, temper, callosity, durity, induration, petrifaction, lapidification, lapidescence, vitrification, ossification, crystallization, stone, pebble, flint, marble, rock, fossil, crag, crystal, quartz, granite, adamant, bone, cartilage, hardware, heart of oak, block, board, deal board, iron, steel, cast iron, decarbonized iron, wrought iron, nail, brick, concrete, cement, hard, rigid, stubborn, stiff, firm, starch, starched, stark, unbending, unlimber, unyielding, inflexible, tense, indurate, indurated, gritty, proof, adamant, adamantine, adamantean, concrete, stony, granitic, calculous, lithic, vitreous, horny, corneous, bony, osseous, ossific, cartilaginous, hard as a rock, stiff as buckram, stiff as a poker, stiff as starch, stiff as as board.

Truth

N truth, fact, reality, plain fact, plain matter of fact, nature, truth, verity, gospel, gospel truth, God's honest truth, orthodoxy, authenticity, veracity, correctness, correctitude, accuracy, exactitude, exactness, preciseness, precision, delicacy, rigor, mathematical precision, punctuality, clockwork precision, conformity to rule, nicety, orthology, ipsissima verba, realism, plain truth, honest truth, sober truth, naked truth, unalloyed truth, unqualified truth, stern truth, exact truth, intrinsic truth, nuda veritas, the very thing, not an illusion, real Simon Pure, unvarnished tale, unvarnished truth, the truth the whole truth and nothing but the trut, just the thing, real, actual, veritable, true, right, correct, certain, substantially true, categorically true, definitively true, true to the letter, true as gospel, unimpeachable, veracious, unreconfuted, unconfuted, unideal, unimagined, realistic, exact, accurate, definite, precise, well-defined, just, just so, so, strict, severe, close, literal, rigid, rigorous, scrupulous, religiously exact, punctual, mathematical, scientific, faithful, constant, unerring, curious, particular, nice, delicate, fine, clean-cut, clear-cut, verified, empirically true, experimentally verified, substantiated, proven (demonstrated), rigorously true, unquestionably true, true by definition, genuine, authentic, legitimate, orthodox, official, ex officio, pure, natural, sound, sterling, unsophisticated, unadulterated, unvarnished, unalloyed, uncolored, in its true colors, pukka, well-grounded, well founded, solid, substantial, tangible, valid, undistorted, undisguised, unaffected, unexaggerated, unromantic, unflattering, truly, verily, indeed, really, in reality, with truth, certainly, actually, in effect, exactly, ad amussim, verbatim, verbatim et literatim, word for word, literally, literatim, totidem vervis, sic, to the letter, chapter and verse, ipsissimis verbis, ad unguem, to an inch, to a nicety, to a hair, to a tittle, to a turn, to a T, au pied de la lettre, neither more nor less, in every respect, in all respects, sous tous les rapports, at any rate, at all events, strictly speaking, the truth is, the fact is, rem acu tetigisti, en suivant la verite, ex facto jus oritur, la verita e figlia del empo, locos y ninos dicen la verdad, crazy people and children tell the truth, nihil est veritatis luce dulcius, veritas nunquam perit, veritatem dies aperit, the truth, the whole truth, and nothing but the truth, just the facts, ma'am, just the facts.