Constants

Synonyms for "constants" (408 found)

Ranked by relevance and common usage.

Strong matches (122)

element endless enduring equable equal equation eternal eterne even ever-being ever-durable ever-during evergreen everlasting everliving exact express fadeless faithful fast

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featureless fine firm fixed flat flinty formula frequent frozen gapless habitual hackneyed hardy homogeneous immediate immemorial immobile immortal immovable 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 ironclad irretrievable irreversible irrevocable joined jointless lasting level liege linked long lasting long lived long standing long term 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 minute moderate monolithic monotonous never ending never-ceasing never-ending never-tiring nice noble

Adjective(8 words)

endless eternal everlasting extended incessant infinite lasting never-ending

Adjective(3 words)

incessant invariant never-ending

Noun(1 words)

Related words (204)

Adjective(20 words)

nonchanging nonmodifiable nonstop ongoing permanent perpetual persistent relentless steady still termless unaltering unbroken unceasing unending uniform unintermitted uninterrupted unremitting unvarying

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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 same scientific scientifically exact scrupulous seamless sedulous sempervirent sempiternal serried set settled severe single minded single-minded sleepless slogging smooth solid sot square stabile stable staccato static stationary staunch staying steadfast steely stereotyped straight strict stubborn stuttering subtle sure sustained systematic temperate tenacious tested timeless tireless torpid tough tried tried and true trite true true blue 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 unflappable unflinching uniform unintermitted unintermittent unintermitting uninterrupted unmodifiable unmovable unnodding unrelaxing unrelenting unrelieved unremitting unrestorable unreturnable unruffled unshakable unshakeable unshaken unshifting unsleeping unstopped unsusceptible untiring unvariable unvaried unwavering unwearied unwearying unwinking unyielding utterly attentive valence vibrating vital weariless well-trodden well-worn without end

Adjective(4 words)

perpetual unceasing unremitting unvarying

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

2 relation types

form of

1 entries

related to

1 entries

Sample sentences

4 total sentences available.

Tatoeba + Wiktionary

There may be other factors that intervene in the relation between these two constants.

Source: tatoeba (55310)

Wilson's solution is similar to Hudson's in that they used the same constants.

Source: tatoeba (65683)

It is generally assumed that fundamental constants such as c have the same value throughout spacetime, meaning that they do not depend on location and do not vary with time.

Source: tatoeba (777650)

The International Bureau of Weights and Measures says the new kilogram standard, for example, it will be based on three basic quantum constants — the Planck constant, the speed of light, and the natural microwave radiation of the cesium atom.

Source: tatoeba (12291352)

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.