invariable

• POS: Adjective, Noun
• HYPHEN: in=var=i=a=ble

CIDE DICTIONARY

invariable, a. [Pref. in- not + variable: cf. F. invariable.].

 Not given to variation or change; unalterable; unchangeable; always uniform.  [1913 Webster]
"Physical laws which are invariable."

invariable, n. 

 An invariable quantity; a constant.  [1913 Webster]

OXFORD DICTIONARY

invariable, adj.
1 unchangeable.
2 always the same.
3 Math. constant, fixed.

Derivative

invariability n. invariableness n. invariably adv.

Etymology

F invariable or LL invariabilis (as IN-(1), VARIABLE)

THESAURUS

invariable

abiding, accordant, alike, automatic, balanced, blah, broken-record, changeless, consistent, consonant, constant, continuous, correspondent, drearisome, dreary, dry, dryasdust, dull, dusty, enduring, equable, equal, eternal, even, everlasting, fast, fixed, flat, harping, homogeneous, humdrum, immovable, immutable, inalterable, incommutable, inconvertible, indefeasible, inert, inflexible, insusceptible of change, intransmutable, invariant, irretrievable, irreversible, irrevocable, jog-trot, lasting, level, long-winded, measured, mechanical, methodic, monolithic, monotonous, noble, nonreturnable, nonreversible, of a piece, ordered, orderly, permanent, persistent, prolix, regular, reverseless, rigid, robotlike, set, singsong, smooth, stable, steadfast, steady, systematic, tedious, treadmill, unalterable, unalterative, unaltered, unbroken, unchangeable, unchanged, unchanging, undeflectable, undeviating, undifferentiated, undiversified, uneventful, unexceptional, unfailing, uniform, unmodifiable, unmodified, unmovable, unremitting, unrestorable, unreturnable, unruffled, unsusceptible, unvariable, unvaried, unvarying, unwavering

ROGET THESAURUS

invariable

Intrinsicality

N intrinsicality, inbeing, inherence, inhesion, subjectiveness, ego, egohood, essence, noumenon, essentialness, essential part, quintessence, incarnation, quiddity, gist, pith, marrow, core, sap, lifeblood, backbone, heart, soul, important part, principle, nature, constitution, character, type, quality, crasis, diathesis, habit, temper, temperament, spirit, humor, grain, disposition, endowment, capacity, capability, moods, declensions, features, aspects, peculiarities, idiosyncrasy, oddity, idiocrasy, diagnostics, derived from within, subjective, intrinsic, intrinsical, fundamental, normal, implanted, inherent, essential, natural, innate, inborn, inbred, ingrained, inwrought, coeval with birth, genetous, haematobious, syngenic, radical, incarnate, thoroughbred, hereditary, inherited, immanent, congenital, congenite, connate, running in the blood, ingenerate, ingenite, indigenous, in the grain, bred in the bone, instinctive, inward, internal, to the manner born, virtual, characteristic, invariable, incurable, incorrigible, ineradicable, fixed, intrinsically, at bottom, in the main, in effect, practically, virtually, substantially, au fond, fairly, character is higher than intellect, come give us a taste of your quality, magnos homines virtute metimur non fortuna, non numero haec judicantur sed pondere, vital spark of heavenly flame.

Uniformity

N uniformity, homogeneity, homogeneousness, consistency, connaturality, connaturalness, homology, accordance, conformity, agreement, consonance, uniformness, regularity, constancy, even tenor, routine, monotony, uniform, homogeneous, homologous, of a piece, consistent, connatural, monotonous, even, invariable, regular, unchanged, undeviating, unvaried, unvarying, unsegmented, uniformly, uniformly with, in harmony with, always, invariably, without exception, without fail, unfailingly, never otherwise, by clockwork, ab uno disce omnes.

Stability

N stability, immutability, unchangeability unchangeableness, constancy, stable equilibrium, immobility, soundness, vitality, stabiliment, stiffness, ankylosis, solidity, aplomb, establishment, fixture, rock, pillar, tower, foundation, leopard's spots, Ethiopia's skin, permanence, obstinacy, unchangeable, immutable, unaltered, unalterable, not to be changed, constant, permanent, invariable, undeviating, stable, durable, perennial, fixed, steadfast, firm, fast, steady, balanced, confirmed, valid, fiducial, immovable, irremovable, riveted, rooted, settled, established, vested, incontrovertible, stereotyped, indeclinable, tethered, anchored, moored, at anchor, on a rock, rock solid, firm as a rock, firmly seated, firmly established, deep-rooted, ineradicable, inveterate, obstinate, transfixed, stuck fast, aground, high and dry, stranded, stuck, jammed, unremovable, quiescent, deterioration, indefeasible, irretrievable, intransmutable, incommutable, irresoluble, irrevocable, irreversible, reverseless, inextinguishable, irreducible, indissoluble, indissolvable, indestructible, undying, imperishable, incorruptible, indelible, indeciduous, insusceptible, insusceptible of change, Int, stet, littera scripta manet.