Synonyms of constant in English:

constant


See definition of constant

adjective

1‘the constant background noise of the city’

SYNONYMS

continual, continuous, persistent, sustained, abiding, round-the-clock

ceaseless, unceasing, perpetual, incessant, never-ending, everlasting, eternal, endless, unending, unabating, non-stop, perennial, unbroken, uninterrupted, unrelieved

interminable, unremitting, relentless, unrelenting, without respite

literary sempiternal

ANTONYMS

inconstant, fitful

2‘the disc revolves at a constant speed’

SYNONYMS

consistent, regular, stable, steady, fixed, uniform, even, level, invariable, unvarying, unchanging, changeless, undeviating, unfluctuating, immutable

ANTONYMS

inconstant, variable

3‘a constant friend’

SYNONYMS

faithful, loyal, devoted, true, fast, firm, unswerving, unwavering

steadfast, staunch, stalwart, dependable, trustworthy, trusty, reliable, dedicated, committed

bosom, boon

ANTONYMS

inconstant, fickle

4‘there is a need for constant vigilance’

SYNONYMS

steadfast, steady, resolute, determined, persevering, tenacious, dogged, unwavering, unflagging, unshaken


noun

1‘dread of cancer has been a constant during the last 100 years’

SYNONYMS

unchanging factor, unchanging state of affairs, unchanging situation, given