Exact Match:
- constant
- a quantity that does not vary
- a number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant"
- steadfast in purpose or devotion or affection; "a man constant in adherence to his ideals"; "a constant lover"; "constant as the northern star"
- continually recurring or continuing without interruption; "constant repetition of the exercise"; "constant chatter of monkeys"
Synonyms:
- abiding,
- accordant,
- active,
- age-long,
- aged,
- ageless,
- alike,
- ancient,
- antique,
- ardent,
- articulated,
- assiduous,
- atom,
- atomic mass,
- atomic number,
- atomic weight,
- automatic,
- balanced,
- beaten,
- catenated,
- ceaseless,
- changeless,
- chattering,
- chronic,
- clinging,
- close,
- coeternal,
- colorfast,
- committed,
- compliant,
- concatenated,
- confirmed,
- conforming,
- connected,
- conscientious,
- consistent,
- consonant,
- continual,
- continued,
- continuing,
- continuous,
- correspondent,
- cyclical,
- dateless,
- dedicated,
- deep-dyed,
- delicate,
- dependable,
- determined,
- devoted,
- devout,
- diligent,
- direct,
- diuturnal,
- dogged,
- double-dyed,
- durable,
- duteous,
- dutiful,
- dyed-in-the-wool,
- endless,
- enduring,
- equable,
- equal,
- eternal,
- eterne,
- even,
- ever-being,
- ever-durable,
- ever-during,
- evergreen,
- everlasting,
- everliving,
- exact,
- express,
- fadeless,
- faithful,
- fast,
- featureless,
- fine,
- firm,
- fixed,
- flat,
- flinty,
- frequent,
- frozen,
- gapless,
- habitual,
- hackneyed,
- hardy,
- homogeneous,
- immediate,
- immemorial,
- immobile,
- immovable,
- immutable,
- inalterable,
- incessant,
- incommutable,
- inconvertible,
- indefatigable,
- indefeasible,
- indelible,
- indestructible,
- indomitable,
- industrious,
- inerrable,
- inerrant,
- inert,
- infallible,
- infinite,
- inflexible,
- ingrain,
- ingrained,
- insistent,
- insusceptible of change,
- intact,
- interminable,
- intransient,
- intransmutable,
- invariable,
- inveterate,
- invincible,
- inviolate,
- irretrievable,
- irreversible,
- irrevocable,
- joined,
- jointless,
- lasting,
- level,
- liege,
- linked,
- long-lasting,
- long-lived,
- long-standing,
- long-term,
- longeval,
- longevous,
- loyal,
- machine gun,
- macrobiotic,
- marble-constant,
- mathematical,
- measured,
- mechanical,
- methodic,
- methodical,
- meticulous,
- micrometrically precise,
- microscopic,
- mindful,
- monolithic,
- monotonous,
- never-ceasing,
- never-ending,
- never-tiring,
- nice,
- noble,
- nonreturnable,
- nonreversible,
- nonstop,
- nonterminating,
- nonterminous,
- observant,
- obstinate,
- of a piece,
- of long duration,
- of long standing,
- olamic,
- ordered,
- orderly,
- oscillating,
- patient,
- patient as Job,
- perdurable,
- perduring,
- perennial,
- periodic,
- permanent,
- perpetual,
- perseverant,
- persevering,
- persistent,
- persisting,
- pertinacious,
- pinpoint,
- plodding,
- plugging,
- practicing,
- precise,
- preoccupied,
- pulsating,
- punctilious,
- punctual,
- quantum,
- quiescent,
- rapid,
- rapt,
- recurrent,
- recurring,
- refined,
- regardful,
- regular,
- regular as clockwork,
- relentless,
- religious,
- religiously exact,
- remaining,
- repeated,
- repetitive,
- resolute,
- reverseless,
- rigid,
- rigorous,
- robotlike,
- round-the-clock,
- routine,
- running,
- scientific,
- scientifically exact,
- scrupulous,
- seamless,
- sedulous,
- sempervirent,
- sempiternal,
- serried,
- set,
- settled,
- severe,
- single-minded,
- sleepless,
- slogging,
- smooth,
- solid,
- sot,
- square,
- stabile,
- stable,
- staccato,
- static,
- stationary,
- staunch,
- staying,
- steadfast,
- steady,
- steely,
- stereotyped,
- straight,
- strict,
- stubborn,
- stuttering,
- subtle,
- sustained,
- systematic,
- tenacious,
- tested,
- timeless,
- tireless,
- torpid,
- tough,
- tried,
- tried and true,
- trite,
- true,
- true-blue,
- trusty,
- twenty-four-hour,
- unabating,
- unalterable,
- unalterative,
- unaltered,
- unbending,
- unbroken,
- unceasing,
- unchangeable,
- unchanged,
- unchanging,
- unchecked,
- unconquerable,
- undaunted,
- undeflectable,
- undestroyed,
- undeviating,
- undifferentiated,
- undiscouraged,
- undiversified,
- undrooping,
- unending,
- unerring,
- unfading,
- unfailing,
- unfaltering,
- unflagging,
- unflappable,
- unflinching,
- uniform,
- unintermitted,
- unintermittent,
- unintermitting,
- uninterrupted,
- unmodifiable,
- unmovable,
- unnodding,
- unrelaxing,
- unrelenting,
- unrelieved,
- unremitting,
- unrestorable,
- unreturnable,
- unruffled,
- unshakable,
- unshakeable,
- unshaken,
- unshifting,
- unsleeping,
- unstopped,
- unsusceptible,
- unswerving,
- untiring,
- unvariable,
- unvaried,
- unvarying,
- unwavering,
- unwearied,
- unwearying,
- unwinking,
- unyielding,
- utterly attentive,
- valence,
- vibrating,
- vital,
- weariless,
- well-trodden,
- well-worn,
- without end