Browse English Dictionary - M & A ... myxovirus - Cambridge Dictionary AI Assistant Dictionary Translate Grammar Thesaurus +Plus Cambridge Dictionary +Plus Games Cambridge Dictionary +Plus My profile +Plus help Log out {{userName}} Cambridge Dictionary +Plus My profile +Plus help Log out Log in / Sign up English (UK) 1 ? true : false } }), searchAutoComplete.changeToLayoutContainer(); tap:AMP.setState({ stateSearch: { autocomplete: stateSearch.dataset != 'wordlists' && stateSearch.term.length 1 } })" / English 1) ? '/autocomplete/amp?dataset=' + stateSearch.dataset + '&q=' + stateSearch.term : 'https://'" 0 && stateHdr.searchDesk ? 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'" {{word}} {{#beta}} Beta{{/beta}} {{#preferredDictionaries}} {{^selected}} {{name}} {{/selected}} {{/preferredDictionaries}} Words starting with m in the English Dictionary 0–9 a b c d e f g h i j k l m n o p q r s t u v w x y z Or, browse the Cambridge Dictionary index M & A ... machine carding machine code ... macula lutea macular ... mafia mafic ... magnesium hydroxide magnesium oxide ... magniloquently magnitude ... mailing list mailing list broker ... mainstream mainstream media ... makar makara ... make a go of something phrase make a good living ... make a world of difference idiom make a/your mark (on something) idiom ... make it with someone idiom make landfall ... make someone's mouth water idiom make someone's skin crawl idiom ... make your flesh crawl/creep idiom make your presence felt idiom ... malapropism malar ... malicious software maliciously ... maltose maltreat ... man to man idiom man up phrasal verb ... management development management fee ... mandatory mandatory convertible bond ... mania mania for something ... manner manner of something ... manual transmission manual worker ... marabout maraca ... marginal costing marginal distribution ... marital aid marital breakdown ... market for something market forces ... market value added market value adjuster ... marlinspike marmalade ... marsh marigold marshal ... masa harina masala ... mass driver mass energy ... mast mast cell ... masturbate masturbated ... materialistically materiality ... matriarchy matric ... maturity maturity date ... May Day may I ask idiom ... MCP MD ... meaningless meaninglessly ... mech mechanic ... media media agency ... Medicaid medical ... meditate on something meditated ... meet up phrasal verb meet with someone's approval phrase ... -meister meitnerium ... melt into something phrasal verb melt something down phrasal verb ... memorialist memorialize ... menial menially ... mental model mental note ... merchant merchant account ... meriting meritocracy ... mesmerized mesmerizing ... mestizo mesto ... metamorphose metamorphosed ... meter meter reading ... meticulous meticulously ... Mexico City mezcal ... MICR micro ... microdosing microdot ... micronutrient microorganism ... mid oceanic-ridges mid-afternoon ... middle-market middle-of-the-road ... midway through something midweek ... mile mile marker ... milk cow milk duct ... millinery milling ... mind over matter idiom mind reader ... mineralogy minerals phrase ... minimize a risk minimized ... minority minority business ... miracle cure miracle drug ... misanthropically misanthropy ... miscible miscitation ... miserable miserably ... misjudge misjudged ... mispronunciation misquotation ... missort Missouri ... mistrusting mistruth ... mixed drink mixed economy ... mmol MMORPG ... mobilized mobilizing ... modelling agency modelling clay ... modify modifying ... moisturize moisturized ... mollify mollifying ... Monday Monday-morning quarterback idiom ... money supply money talks idiom ... monkey suit monkey wrench ... monolithic monolithically ... monotone monotonic ... monumental monumentally ... moonshot moonstone ... moral support moral victory ... more's the pity more/greater/bigger etc. than the sum of its parts idiom ... morris dancer morris dancing ... mortuary mosaic ... mother's ruin mother-in-law ... motiveless motivic ... mould mould someone into something ... mounted Mountie ... mouthing mouthpiece ... movie night movie star ... MRP MRP II ... mucus mud ... muggy mugshot ... multi-campus multi-candidate ... multi-ply multi-product ... multicolour multicoloured ... Multimedia Super Corridor multimeter ... multiplier multiply ... mumps mumsy ... murmur murmur about something ... mushily mushing ... mussel mussily ... mutilating mutilation ... my ass! idiom my bad idiom ... mylohyoid mynah ... mystify mystifying ... myxovirus {{#randomImageQuizHook.filename}} {{#randomImageQuizHook.isQuiz}} Test your vocabulary with our fun image quizzes Try a quiz now {{/randomImageQuizHook.isQuiz}} {{^randomImageQuizHook.isQuiz}} {{/randomImageQuizHook.isQuiz}} {{/randomImageQuizHook.filename}} Word of the Day comfort zone UK Your browser doesn't support HTML5 audio /ˈkʌm.fət ˌzəʊn/ US Your browser doesn't support HTML5 audio /ˈkʌm.fɚt ˌzoʊn/ a situation in which you feel comfortable and in which your ability and determination are not being tested About this AI Assistant Facebook Instagram X © Cambridge University Press & Assessment 2026 Learn Learn Learn New Words Help In Print Word of the Year 2021 Word of the Year 2022 Word of the Year 2023 Word of the Year 2024 Word of the Year 2025 Develop Develop Develop Dictionary API Double-Click Lookup Search Widgets License Data About About About Accessibility Cambridge English Cambridge University Press & Assessment Consent Management Cookies and Privacy Corpus Terms of Use AI Terms of Use Facebook Instagram X © Cambridge University Press & Assessment 2026 {{#displayLoginPopup}} Cambridge Dictionary +Plus Learn more with +Plus Sign up for free and get access to exclusive content: Free word lists and quizzes from Cambridge Tools to create your own word lists and quizzes Word lists shared by our community of dictionary fans Sign up now or Log in Cambridge Dictionary +Plus Learn more with +Plus Create word lists and quizzes for free Sign up now or Log in {{/displayLoginPopup}} {{#displayClassicSurvey}} {{/displayClassicSurvey}} Cambridge Dictionary +Plus My profile +Plus help Log out AI Assistant Dictionary Definitions Clear explanations of natural written and spoken English English Learner’s Dictionary Essential British English Essential American English Translations Click on the arrows to change the translation direction. 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