constant

[kon-stuhnt]

SEE MORE SYNONYMS FOR constant ON THESAURUS.COM

adjective

not changing or varying; uniform; regular; invariable: All conditions during the three experiments were constant.

continuing without pause or letup; unceasing: constant noise.

regularly recurrent; continual; persistent: He found it impossible to work with constant interruption.

faithful; unswerving in love, devotion, etc.: a constant lover.

steadfast; firm in mind or purpose; resolute.

Obsolete. certain; confident.

noun

something that does not or cannot change or vary.

Physics. a number expressing a property, quantity, or relation that remains unchanged under specified conditions.

Mathematics. a quantity assumed to be unchanged throughout a given discussion.

Origin of constant

1350–1400; Middle English < Latin constant- (stem of constāns, present participle of constāre to stand firm), equivalent to con- con- + stā- stand + -nt- present participle suffix

Related formscon·stant·ly, adverbnon·con·stant, noun, adjectiveo·ver·con·stant, adjectiveo·ver·con·stant·ly, adverbo·ver·con·stant·ness, nounqua·si-con·stant, adjectivequa·si-con·stant·ly, adverbun·con·stant, adjectiveun·con·stant·ly, adverb

Synonyms for constant

SEE MORE SYNONYMS FOR constant ON THESAURUS.COM

1. unchanging, immutable, permanent. 2. perpetual, unremitting, uninterrupted. 3. incessant, ceaseless. 4. loyal, staunch, true. See faithful. 5. steady, unwavering, unswerving.

Antonyms for constant

1. changeable. 2. fitful. 3. sporadic. 4. unreliable. 5. wavering.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for constantly

regularly, steadily, invariably, continually

Examples from the Web for constantly

Contemporary Examples of constantly

However, intellectual honesty is the first thing to go when you are forced to constantly pander to your base.
Rush Limbaugh’s Fear of a Black James Bond
Dean Obeidallah
December 29, 2014
“It was not merely the work in which he had constantly grown happier that he saw taken from him,” Howells notes.
The Novel That Foretold the TNR Meltdown
Nicolaus Mills
December 22, 2014
Today, as president, he constantly praises Fidel and Raúl in his speeches and frequently travels to the island.
Venezuela Says Goodbye to Its Lil Friend, While the Rest of the Continent Cheers
Catalina Lobo-Guererro
December 20, 2014
They constantly break the fourth wall, yelling and complaining to the cameramen.
James Franco and Seth Rogen Get ‘Naked and Afraid’… And It’s Hilarious
Marlow Stern
December 8, 2014
Another acquaintance described Seevakumaran as “a creep,” who would “constantly hit on women.”
School Shooters Love This Pickup Artist Website
Brandy Zadrozny
December 5, 2014

Historical Examples of constantly

But she constantly recalls what that snobbish Bines was unfair enough to tell her.
The Spenders
Harry Leon Wilson
That he was constantly cheerful proved the matter of his musings to be pleasant.
The Spenders
Harry Leon Wilson
It was his habit to affect that he constantly forgot his mother's name.
The Spenders
Harry Leon Wilson
He was married, but constantly said he was about to leave his wife, so she would divorce him.
The Spenders
Harry Leon Wilson
He is constantly stopping or turning his horses to the sidewalk, right or left.
Punchinello, Vol. 1, No. 6, May 7, 1870
Various

British Dictionary definitions for constantly

constant

adjective

fixed and invariable; unchanging

continual or continuous; incessantconstant interruptions

resolute in mind, purpose, or affection; loyal

noun

something that is permanent or unchanging

a specific quantity that is always invariablethe velocity of light is a constant

mathsa symbol representing an unspecified number that remains invariable throughout a particular series of operations
physicsa theoretical or experimental quantity or property that is considered invariable throughout a particular series of calculations or experiments

See logical constant

Derived Formsconstantly, adverb

Word Origin for constant

C14: from Old French, from Latin constāns standing firm, from constāre to be steadfast, from stāre to stand

Constant

noun

Benjamin (bɛ̃ʒamɛ̃). real name Henri Benjamin Constant de Rebecque. 1767–1830, French writer and politician: author of the psychological novel Adolphe (1816)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for constantly

constant

adj.

late 14c., "steadfast, resolute," from Old French constant (14c.) or directly from Latin constantem (nominative constans) "standing firm, stable, steadfast, faithful," present participle of constare, from com- "together" (see com-) + stare "to stand," from PIE root *sta- "to stand" (see stet). Of actions and conditions from 1650s. Related: Constantly.

constant

1832 in mathematics and physics, from constant (adj.).

constantly in Medicine

constant

[kŏn′stənt]

adj.

Continually occurring; persistent.

Unchanging in nature, value, or extent; invariable.

n.

A quantity assumed to have a fixed value in a specified mathematical context.

An experimental or theoretical condition, factor, or quantity that does not vary or that is regarded as invariant in specified circumstances.

constantly in Science

constant

[kŏn′stənt]

A quantity that is unknown but assumed to have a fixed value in a specified mathematical context.

A theoretical or experimental quantity, condition, or factor that does not vary in specified circumstances. Avogadro's number and Planck's constant are examples of constants.

constantly in Culture

constant

A number that appears in equations and formulas and does not vary or change. Examples are Planck's constant and the speed of light.