continuing without pause or letup; unceasing: constant noise.
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.
- 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
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 | TechCrunch
Wetland 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 Students
It’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 | Freakonomics
For bacteria are engaged in constant exchange with one another.What the Meadow Teaches Us - Issue 90: Something Green | Andreas Weber | September 16, 2020 | Nautilus
The 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 BEAST
It 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 BEAST
The 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 BEAST
His constant worship of his wife stands in stark contrast to scandals of the domestic nature in other sports.
You 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 BEAST
A constant sense of easy balance should be developed through poising exercises.Expressive Voice Culture | Jessie Eldridge Southwick
This 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) Wells
His 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 Lloyd
Here they are seldom abundant, but their constant presence is the most reliable urinary sign of the disease.A Manual of Clinical Diagnosis | James Campbell Todd
Labor, 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)
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
- constantly, adverb
British Dictionary definitions for Constant (2 of 2)
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
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
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.