constant
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.
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
1synonym study For constant
Other words for constant
Opposites for constant
| 1 | changeable |
| 2 | fitful |
| 3 | sporadic |
| 4 | unreliable |
| 5 | wavering |
Other words from constant
- con·stant·ly, adverb
- non·con·stant, noun, adjective
- o·ver·con·stant, adjective
- o·ver·con·stant·ness, noun
- qua·si-con·stant, adjective
- un·con·stant, adjective
Words Nearby constant
Other definitions for Constant (2 of 2)
Paul Hen·ri Ben·ja·min Bal·luat [pawl ahn-reeban-zha-manba-lwa]. /pɔl ɑ̃ˈri bɛ̃ ʒaˈmɛ̃ baˈlwa/. Paul d'Estournelles de Constant.
Jean Jo·seph Ben·ja·min [zhahnzhaw-zefban-zha-man], /ʒɑ̃ ʒɔˈzɛf bɛ̃ ʒaˈmɛ̃/, 1845–1902, French painter.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use constant in a sentence
For many growers, large and small, this consists of constant data entry from seed to sale.
Canix aims to ease cannabis cultivators’ regulatory bookkeeping | Matt Burns | September 17, 2020 | TechCrunchWetland sediment also erodes from the constant wash of waves.
Soggy coastal soils? Here’s why ecologists love them | Alison Pearce Stevens | September 17, 2020 | Science News For StudentsIt’s a constant competition and struggle between state and society.
Does Anyone Really Know What Socialism Is? (Ep. 408 Rebroadcast) | Stephen J. Dubner | September 17, 2020 | FreakonomicsFor bacteria are engaged in constant exchange with one another.
What the Meadow Teaches Us - Issue 90: Something Green | Andreas Weber | September 16, 2020 | NautilusThe actual amount spent on military equipment since he became president is much less, about $444 billion in constant dollars, or about 20 percent of the total.
Trump’s ABC News town hall: Four Pinocchios, over and over again | Glenn Kessler | September 16, 2020 | Washington Post
He not only gives out pain — he is in constant, unrelenting pain.
The Story Behind Lee Marvin’s Liberty Valance Smile | Robert Ward | January 3, 2015 | THE DAILY BEASTIt was like a constant assault, an almost stupefying catalogue of mindless racial insult and injury.
How Martin Luther King Jr. Influenced Sam Cooke’s ‘A Change Is Gonna Come’ | Peter Guralnick | December 28, 2014 | THE DAILY BEASTThe courage of this husband and father is a constant reminder of how much some sacrifice for exercising universal rights.
Behind Bars for the Holidays: 11 Political Prisoners We Want to See Free In 2015 | Movements.Org | December 25, 2014 | THE DAILY BEASTHis constant worship of his wife stands in stark contrast to scandals of the domestic nature in other sports.
The Story of the World’s Greatest Cricket Player | William O’Connor | December 24, 2014 | THE DAILY BEASTYou have a pretty sexy online persona, what with the constant bikinis.
Anastasia Ashley, Surfer-Cum-Model, Rides The Viral Internet Wave | James Joiner | December 23, 2014 | THE DAILY BEASTA constant sense of easy balance should be developed through poising exercises.
Expressive Voice Culture | Jessie Eldridge SouthwickThis new nexus of print has grown up in the lifetime of four or five generations, and it is undergoing constant changes.
The Salvaging Of Civilisation | H. G. (Herbert George) WellsHis repeated coughing seemed a constant warning that at any moment he might be vanquished in the struggle for becoming silence.
The Soldier of the Valley | Nelson LloydHere they are seldom abundant, but their constant presence is the most reliable urinary sign of the disease.
A Manual of Clinical Diagnosis | James Campbell ToddLabor, so it was argued, was perpetually being saved by the constant introduction of new uses of machinery.
The Unsolved Riddle of Social Justice | Stephen Leacock
British Dictionary definitions for constant (1 of 2)
/ (ˈkɒnstənt) /
fixed and invariable; unchanging
continual or continuous; incessant: constant interruptions
resolute in mind, purpose, or affection; loyal
something that is permanent or unchanging
a specific quantity that is always invariable: the velocity of light is a constant
maths a symbol representing an unspecified number that remains invariable throughout a particular series of operations
physics a theoretical or experimental quantity or property that is considered invariable throughout a particular series of calculations or experiments
See logical constant
Origin of constant
1Derived forms of constant
- constantly, adverb
British Dictionary definitions for Constant (2 of 2)
/ (French kɔ̃stɑ̃) /
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
Scientific definitions for 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for 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.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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