Constant definition and meaning | Collins English Dictionary

A constant is a thing or value that always stays the same. In the world of fashion it sometimes seems that the only constant is ceaseless change. Two ... EnglishDictionary Thesaurus WordLists Grammar EnglishEasyLearningGrammar GrammarPatterns EnglishUsage TeachingResources VideoGuides Conjugations Sentences Video LearnEnglish Videopronunciations Buildyourvocabulary Quiz Englishgrammar Englishcollocations Englishconfusables Englishidioms Englishusage Thematicwordlists English French German Italian Spanish Portuguese Hindi Chinese Korean Japanese Definitionof 'constant'    WordFrequency Share× Credits× constant (kɒnstənt ) Wordforms:pluralconstants 1. adjective[usuallyADJECTIVEnoun] Youuseconstanttodescribesomethingthathappensallthetimeorisalwaysthere. Inflationisaconstantthreat. Hehasbeenherconstantcompanionforthelastfourmonths. constantly adverb[usuallyADVERBwithverb]Thedirectionofthewindisconstantlychanging. Weareconstantlybeingremindedtocutdownourfatintake. Synonyms:continuously,always,allthetime,invariably MoreSynonymsofconstant 2. adjective Ifanamountorlevelisconstant,itstaysthesameoveraparticularperiodoftime. Theaveragespeedofthewindsremainedconstant. 3. countablenoun Aconstantisathingorvaluethatalwaysstaysthesame. Intheworldoffashionitsometimesseemsthattheonlyconstantisceaselesschange. Twosignificantconstantshavebeenfoundinanumberofresearchstudies. MoreSynonymsofconstant COBUILDAdvancedEnglishDictionary.Copyright©HarperCollinsPublishers Video:pronunciationof constant Youmayalsolike EnglishQuizConfusables Synonymsof'constant' LanguageLover'sBlog FrenchTranslationof'constant' Translateyourtext PronunciationPlaylists Wordoftheday:'huffkin' HindiTranslationof'constant' NEWfromCollins! EnglishGrammar CollinsApps WordFrequency constantinBritishEnglish (ˈkɒnstənt ) adjective1. fixedandinvariable;unchanging 2. continualorcontinuous;incessant constantinterruptions 3. resoluteinmind,purpose,oraffection;loyal noun4. somethingthatispermanentorunchanging 5. aspecificquantitythatisalwaysinvariable thevelocityoflightisaconstant 6. a. mathematics asymbolrepresentinganunspecifiednumberthatremainsinvariablethroughoutaparticularseriesofoperations b. physics atheoreticalorexperimentalquantityorpropertythatisconsideredinvariablethroughoutaparticularseries ofcalculationsorexperiments 7. Seelogicalconstant CollinsEnglishDictionary.Copyright©HarperCollinsPublishers Derivedformsconstantly(ˈconstantly)adverb WordoriginC14:fromOldFrench,fromLatinconstānsstandingfirm,fromconstāretobesteadfast,fromstāretostand WordFrequency ConstantinBritishEnglish (Frenchkɔ̃stɑ̃ ) noun Benjamin(bɛ̃ʒamɛ̃ ).realnameHenriBenjaminConstantdeRebecque.1767–1830,Frenchwriterandpolitician:authorofthepsychologicalnovelAdolphe(1816) CollinsEnglishDictionary.Copyright©HarperCollinsPublishers WordFrequency ConstantinAmericanEnglish (kɔ̃̃ˈstɑ̃) Benjamin(HenriBenjaminConstantdeRebecque)1767-1830;Fr.writer&politician,borninSwitzerland Webster’sNewWorldCollegeDictionary,4thEdition.Copyright©2010by HoughtonMifflinHarcourt.Allrightsreserved. WordFrequency constantinAmericanEnglish (ˈkɑnstənt ) adjective1.  notchanging;remainingthesame;specif.,a.  remainingfirminpurpose;resolute b.  remainingsteadyinaffectionsorloyalties;faithful c.  remainingfreefromvariationorchange;regular;stable 2.  goingonallthetime;continual;persistent constantinterruptions noun3.  anythingthatdoesnotchangeorvary 4. AncientMathematicsandPhysicsa.  aquantitythatalwayshasthesamevalue:infullabsoluteconstant b.  aquantity,vector,etc.assumedtohaveonevaluethroughoutaparticulardiscussionorinvestigation:infullarbitraryconstantseealsovariable SIMILARWORDS: conˈtinual,ˈfaithful Webster’sNewWorldCollegeDictionary,4thEdition.Copyright©2010by HoughtonMifflinHarcourt.Allrightsreserved. Derivedformsconstantly(ˈconstantly) adverb WordoriginME&OFrconstaunt