Word.ws English Dictionary

constant

UK/ˈkɒnstənt//ˈkɑnstənt/

constant adjective: unchanged through time or space; permanent.

Adjective

constant (comparative more constant, superlative most constant)

  1. Unchanged through time or space; permanent.
    Synonyms:
    nonchanging
  2. Consistently recurring over time; persistent.
    • The constant pinging of electronic devices is driving many people to the end of their tether. Electronic devices not only overload the senses and invade leisure time. They feed on themselves: the more people tweet the more they are rewarded with followers and retweets.2013 November 16, Schumpeter, “The mindfulness business”, in The Economist, volume 409, number 8862
  3. Steady in purpose, action, feeling, etc.
    • Both loving one fair maid, they yet remained constant friends.c. 1580 (date written), Philippe Sidnei [i.e., Philip Sidney], “[The Second Booke] Chapter 3”, in [Fulke Greville; Matthew Gwinne; John Florio], editors, The Countesse of Pembrokes Arcadia [The New...
    • I am constant to my purposes.c. 1599–1602 (date written), William Shakespeare, “The Tragedie of Hamlet, Prince of Denmarke”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac...
  4. Firm; solid; not fluid.
    • If […] you mix them, you may turn these two fluid liquors into a constant body.1659 December 30 (date written), Robert Boyle, New Experiments Physico-Mechanicall, Touching the Spring of the Air, and Its Effects […], Oxford, Oxfordshire: […] H[enry] Hall, printer to the...
  5. (obsolete) Consistent; logical.
    • I am no more mad than you are: make the trial of it with any constant question.c. 1601–1602 (date written), William Shakespeare, “Twelfe Night, or What You Will”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and...
  6. (complexity theory) Bounded above by a constant.
    • constant time constant space

Noun

constant (plural constants)

  1. That which is permanent or invariable.
  2. A quantity that remains at a fixed value throughout a given discussion or operation.
    • We also establish that constants are local extremizers of the Tomas-Stein adjoint restriction inequality as well as of another inequality appearing in the program..2015, Emanuel Carneiro, Damiano Foschi, Diogo Oliveira e Silva, Christoph Thiele, “A sharp trilinear inequality related to Fourier restriction on the circle”, in arXiv
    Antonyms:
    variable
  3. Any property of an experiment, determined numerically, that does not change under given circumstances.
    • Based on their acid dissociation constants (pKa), seleneous^([sic]) acid (H2SeO3) and selenic acid (H2SeO4) are anionic under common environmental conditions [48], e.g., as selenite (SeO32−) and selenate (SeO42−).2015, Lenny H.E. Winkel et al., “Selenium Cycling Across Soil-Plant-Atmosphere Interfaces: A Critical Review”, in Nutrients, volume 7, →DOI
  4. An identifier that is bound to an invariant value; a fixed value given a name to aid in readability of source code.

Proper noun capitalized: Constant

Constant

  1. (rare) A male given name from Latin, feminine equivalent Constance.
  2. A surname.
  3. A populated place in Saint George parish, Barbados.

constant meaning in Hindi, Tamil, Urdu and Bengali

constant in Hindi

unchanged through time
स्थिर sthir, अचल acal
consistently recurring over time
सतत satat
steady
धीर dhīr, स्थिर sthir
that which is permanent or invariable
स्थिरांक sthirāṅk

constant in Tamil

மாறிலி, மாறாத, நிரந்தரமான, ஓயாத, ஒரே

constant in Urdu

constant
ثابت sābit, نتیہ nitya

constant in Bengali

constant
সাবিত sabit, ধ্রুব dhrubô
constant or dogged effort to achieve a purpose
অধ্যবসায় oddhobśaẏ
constant, invariable, unchanging
নিত্য nityô
a constant
ধ্রুব dhrubô
More languagesFewer languages
constant in Telugu
ముసురు musuru, జొంపము jompamu, సిద్ధము siddhamu
constant in Malayalam
സ്ഥിരാങ്കം, അചരം, ഇളകാത്തത്, ഉറച്ച
constant in Kannada
ಮಾರ‍್ಪಡದ, ಸ್ಥಿರ, ದೃಢ, ನಿರಂತರ
constant in Punjabi
ਸਦਾ sadā
constant in Gujarati
સતત satat, એકધારું ekdhārũ
constant in Odia
ଚିରସୁଖ cirasukha
constant in Sanskrit
धीर dhīra
constant in Tagalog
lagian, maligo, lagiin
constant in Arabic
ثَابِت ṯābit
constant in Malay
pemalar, angkatap
constant in Indonesian
konstan, tetap, konstanta
constant in Persian
ثابت sâbet, ماندگار mândegâr
constant in Thai
ค่าคงที่ kâa-kong-tîi, ค่าคงตัว kâa-kong-dtuua
constant in Vietnamese
hằng số, hằng

Examples of constant in a sentence

  • My husband's constant harping about the condition of the house threatens to drive me to distraction.
  • Bankruptcy is the certain outcome of your constant gambling and lending.
  • After six years of constant growth, the company reported a slight decrease in sales last year.

All 40 example sentences with constant

Synonyms of constant

26 more synonymsFewer synonyms

Antonyms

All synonyms and antonyms of constant

Forms of constant

Adjective
comparativemore constant
superlativemost constant
Noun
pluralconstants

Plural of constant: constants

Origin of constant

From Middle English constant, from Old French constant, from Latin constantem, accusative of constans, from cōnstāre (“to stand firm”). Displaced native Old English singal.

Words formed from constant

Phrases with constant

24 more phrasesFewer phrases

Questions about constant

What does constant mean?
Constant means unchanged through time or space; permanent.
What is constant in Hindi?
Constant in Hindi is स्थिर (sthir), अचल (acal), स्थिरांक (sthirāṅk). See Constant meaning in Hindi.
What part of speech is constant?
Constant can be an adjective, a noun or a proper noun.
How do you pronounce constant?
Constant is pronounced /ˈkɒnstənt/ (UK).

Words near constant in the dictionary

  1. constancie
  2. constancies
  3. Constancio
  4. Constancios
  5. constancy
  6. constant
  7. constant function
  8. constant functions
  9. constant morphism
  10. constant morphisms
  11. constant of integration

Source and license

Adapted from Wiktionary: constant (page history and authors); Constant (page history and authors); constant (Tamil Wiktionary) (page history and authors); ثابت (Urdu) (page history and authors); অধ্যবসায় (Bengali) (page history and authors); జొంపము (Telugu) (page history and authors); constant (Malayalam Wiktionary) (page history and authors); constant (Kannada Wiktionary) (page history and authors); ਸਦਾ (Punjabi) (page history and authors); એકધારું (Gujarati) (page history and authors); ଚିରସୁଖ (Odia) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-constant.ogg.

Cite this entry: “constant.” Word.ws, https://word.ws/constant. Based on Wiktionary, CC BY-SA 4.0.