con·stant
ˈkän(t)-stənt 
1
: marked by firm steadfast resolution or faithfulness : exhibiting constancy of mind or attachment
a constant friend
2
: invariable, uniform
a constant flow
should be stored at a constant temperature
3
: continually occurring or recurring : regular
a constant annoyance
suffers from constant headaches
: something invariable or unchanging: such as
a
: a number that has a fixed value in a given situation or universally or that is characteristic of some substance or instrument
b
: a number that is assumed not to change value in a given mathematical discussion
c
: a term in logic with a fixed designation
d
: something or someone that is reliably present or available
My parents put in me in piano lessons when I was really young, so music has always been a constant in my life.—
Mélat
MélatHe's my constant for when I seek guidance both on a professional and personal front.—Gautam Mehra
Gautam MehraSynonyms
Examples of constant in a Sentence
Adjective
He suffers from constant headaches.
Her constant chatter was a nuisance.
The house is in constant need of repairs.
The scar serves as a constant reminder of the accident.
a problem demanding constant attention
The equipment should be stored at a constant temperature.
He kept the car's speed constant.
She has struggled to maintain a constant weight.
They remained constant friends throughout their lives.
Noun
Her job was the one constant in her life.
Recent Examples on the WebBethany Braun-Silva, ABC News, 8 Apr. 2024
Beaver Island is a fragile ecosystem that demands constant protection from invasive species, erosion and harmful light pollution.
—Detroit Free Press, 8 Apr. 2024
Meanwhile, Ryan was sleeping up to 16 hours a day and the months of constant discomfort were weighing on him.
—Vanessa Etienne, Peoplemag, 8 Apr. 2024
The landscape now includes unicorn startups such as Mistral and Together AI, and boasts a constant barrage of new open-source AI models that are getting ever closer to beating OpenAI’s flagship GPT-4 at various performance benchmarks.
—Sharon Goldman, Fortune, 8 Apr. 2024
The sport involves constant motion, so the children burn not just calories but also stress and anxiety.
—Kevin Baxter, Los Angeles Times, 8 Apr. 2024
And keeping 625 of them working despite wasps, weather and errant autos is a constant challenge for anyone.
—Randy Mason, Kansas City Star, 5 Apr. 2024
With 7 million subscribers on YouTube alone, Mancuso frequently averaged close to 20 million views per video and was a constant fixture among collaborators like LeLe Pons, King Bach, and Juanpa Zurita.
—Ct Jones, Rolling Stone, 4 Apr. 2024
More frequent racial experiences causing constant reaction in the brain may lead to long-term health disparities, the study said.
—Kamal Morgan, Fort Worth Star-Telegram, 28 Mar. 2024
Sara Magro, Condé Nast Traveler, 6 Apr. 2024
The one constant is that, for the most part, those in the know don’t speak publicly.
—Mark Z. Barabak, Los Angeles Times, 4 Apr. 2024
Math fans acknowledge that typical Pi Day celebrations have little to do with the mathematical constant.
—Emily Mae Czachor, CBS News, 14 Mar. 2024
National Pi Day is celebrated on March 14 to recognize the mathematical constant, with the first three digits as 3.14, according to National Day Calendar.
—Marina Johnson, The Courier-Journal, 14 Mar. 2024
Change is the one constant in information technology (and life in general).
—Douglas Murray, Forbes, 1 Mar. 2024
Our constants are our smoothies, juices and smoothie bowls.
—Kristine M. Kierzek, Journal Sentinel, 15 Mar. 2024
But throughout these decades of turmoil, one constant remained: The Alaouite kings always stood by the Jewish community.
—Theo Zenou, Smithsonian Magazine, 8 Mar. 2024
One constant in reviews of the restaurant is, well, its consistency.
—Timothy Charles Davis, Southern Living, 7 Mar. 2024
Adjective
Best for: Moms who love gardening or want to add more greenery to their home, providing a constant reminder of your love and appreciation.
—Bethany Braun-Silva, ABC News, 8 Apr. 2024
Beaver Island is a fragile ecosystem that demands constant protection from invasive species, erosion and harmful light pollution.
—Detroit Free Press, 8 Apr. 2024
Meanwhile, Ryan was sleeping up to 16 hours a day and the months of constant discomfort were weighing on him.
—Vanessa Etienne, Peoplemag, 8 Apr. 2024
The landscape now includes unicorn startups such as Mistral and Together AI, and boasts a constant barrage of new open-source AI models that are getting ever closer to beating OpenAI’s flagship GPT-4 at various performance benchmarks.
—Sharon Goldman, Fortune, 8 Apr. 2024
The sport involves constant motion, so the children burn not just calories but also stress and anxiety.
—Kevin Baxter, Los Angeles Times, 8 Apr. 2024
And keeping 625 of them working despite wasps, weather and errant autos is a constant challenge for anyone.
—Randy Mason, Kansas City Star, 5 Apr. 2024
With 7 million subscribers on YouTube alone, Mancuso frequently averaged close to 20 million views per video and was a constant fixture among collaborators like LeLe Pons, King Bach, and Juanpa Zurita.
—Ct Jones, Rolling Stone, 4 Apr. 2024
More frequent racial experiences causing constant reaction in the brain may lead to long-term health disparities, the study said.
—Kamal Morgan, Fort Worth Star-Telegram, 28 Mar. 2024
Noun
There are several variations: with or without eggs, eggplant fried with or without flour, heavy or light on the sauce—the one constant is the stringy buffalo mozzarella.
—Sara Magro, Condé Nast Traveler, 6 Apr. 2024
The one constant is that, for the most part, those in the know don’t speak publicly.
—Mark Z. Barabak, Los Angeles Times, 4 Apr. 2024
Math fans acknowledge that typical Pi Day celebrations have little to do with the mathematical constant.
—Emily Mae Czachor, CBS News, 14 Mar. 2024
National Pi Day is celebrated on March 14 to recognize the mathematical constant, with the first three digits as 3.14, according to National Day Calendar.
—Marina Johnson, The Courier-Journal, 14 Mar. 2024
Change is the one constant in information technology (and life in general).
—Douglas Murray, Forbes, 1 Mar. 2024
Our constants are our smoothies, juices and smoothie bowls.
—Kristine M. Kierzek, Journal Sentinel, 15 Mar. 2024
But throughout these decades of turmoil, one constant remained: The Alaouite kings always stood by the Jewish community.
—Theo Zenou, Smithsonian Magazine, 8 Mar. 2024
One constant in reviews of the restaurant is, well, its consistency.
—Timothy Charles Davis, Southern Living, 7 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'constant.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near constant
Cite this Entry
“Constant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/constant. Accessed 19 Apr. 2024.
Copy CitationKids Definition
constant
1 of 2 adjective
con·stant
ˈkän(t)-stənt
1
: always faithful and true
constant friends
2
: remaining steady and unchanged
a constant temperature
3
: occurring over and over again
constant headaches
constantly
adverb
constant
2 of 2 noun
: something unchanging
especially
: a quantity whose value does not change under given mathematical conditions compare variable sense 1
Medical Definition
constant
2 of 2 noun
: something invariable or unchanging
especially
: a number that has a fixed value in a given situation or universally or that is characteristic of some substance or instrument
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