Browse English Dictionary - B and B ... byzantine - 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 b 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 B and B ... baby blues baby bond ... Bachelor of Business Administration bachelor pad ... back straight back talk ... backfield backfill ... backseat backseat driver ... bacteraemia bacteremia ... bad title bad weather ... bagful baggage ... bain-marie bairn ... balance bike balance brought down ... balkanize balkanized ... balloon loan balloon mortgage ... bamboozle bamboozled ... bandstand bandura ... bank assets bank assistant ... bankbook banked ... bantamweight banter ... barbecue pit barbecue sauce ... barf bag barfed ... barley malt barley sugar ... barracks barracuda ... bas bas mitzvah ... Basel Basel Accord ... basis point bask ... bastardized bastardizing ... bathroom scales bathroom suite ... battle rope battle scar ... bayou bazaar ... be (in) the nature of things phrase be (in) training for something phrase ... be a nine days' wonder idiom be a one idiom ... be an apology for something idiom be an artist, professional, etc. to your fingertips idiom ... be backward in coming forward idiom be bad luck on someone idiom ... be coming up phrase be composed of something phrase ... be etched on/in someone's memory idiom be etched somewhere idiom ... be had phrase be half the battle idiom ... be in bloom phrase be in blossom idiom ... be in the dark idiom be in the driver's seat idiom ... be just as well idiom be just messing idiom ... be meant for each other idiom be meant to do sth phrase ... be not much to look at idiom be not on idiom ... be on someone's back idiom be on someone's tail idiom ... be one up on someone idiom be one/another of life's great mysteries idiom ... be quick/slow off the mark idiom be quick/slow on the uptake idiom ... be snowed up idiom be so good as to phrase ... be the butt of someone's jokes phrase be the cat's meow/pajamas idiom ... be under the impression phrase be under the impression/belief phrase ... be worth the while idiom be worth your/its weight in gold idiom ... beach buggy beach bum ... bean sprouts bean thread ... beardy bearer ... beat the bejesus out of someone idiom beat the clock idiom ... beauty spot beaux ... bedded bedder ... beefalo beefburger ... before long idiom before someone's time phrase ... beguilingly begun ... beholder behoove ... believe me phrase believe something when you see it idiom ... bellwether bond belly ... beltway beluga ... benefice beneficence ... bent double bent grass ... Berlin Berliner ... best buy best efforts ... betcha bête noire ... between you and me idiom between you, me, and the gatepost idiom ... beyond the call of duty idiom beyond the capability of someone/something ... biblical biblically ... bid-ask spread bid-offer spread ... big gun big hair ... bigot bigoted ... bilinear bilingual ... billy club billy goat ... bingo hall Binky ... bioerosion bioessentialism ... biomarker biomass ... biosphere biosphere reserve ... birdbath birdbrain ... birthday cake birthday candle ... Bissau-Guinean bissextile ... bitter orange bitterbrush ... black bloc black box ... black sheep black something out phrasal verb ... blackmailing blackness ... blank tape blank transfer ... blazed blazer ... blepharitis blepharoplasty ... blindness blindness to sth phrase ... block diagram block grant ... Blonde d'Aquitaine blondie ... bloodless coup bloodlessly ... bloviate blow ... blowhole blowlamp ... Blue Shield blue spruce ... bluffly bluish ... board game board of directors ... bobbin bobbin lace ... body count body double ... bog bog asphodel ... Boise boisterous ... bomb disposal unit bomb out phrasal verb ... bond purchase agreement bond rating ... bonny bonobo ... book of first entry book of matches ... Boolean Boolean search ... bootleg bootlegger ... bore someone silly phrase bore the ass off someone idiom ... bosom friend bosomy ... Bott's dots bottarga ... boudoir bouffant ... bounteously bountiful ... bowel bowel incontinence ... box ticking box wrench ... braces phrase brachia ... brain death brain drain ... brake light brake lining ... brand leadership brand loyalty ... Bratislava brattice ... bread and butter pudding bread and circuses idiom ... break in/break into something phrasal verb break into pieces ... breakdown clause breakdown truck ... breathalyse breathalysed ... breeze in breezed ... bridal shower bridal suite ... bright lights bright side ... bring someone/something to their knees idiom bring someone/something together phrasal verb ... Brit brit milah ... broad-spectrum antibiotic broadband ... brokenly brokenness ... brooded broodiness ... brown rat brown rice ... Brunei Bruneian ... Bryce Canyon National Park bryony ... buck teeth buck the system idiom ... buddy-buddy budge ... bugged bugger ... building trades buildings and contents insurance ... bulky bull ... bullpen coach bullring ... bumptious bumptiously ... bunny slope buns ... burgled burgling ... burningly burnish ... bury the lede idiom bury yourself in something phrasal verb ... business college business combination ... businessman businessperson ... butler buts ... button-down button-through ... buyout buzz ... by inches idiom by inference ... by/from all accounts phrase by/in leaps and bounds idiom ... byzantine {{#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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Sign up or Log in My word lists Add ${headword} to one of your lists below, or create a new one. {{#verifyErrors}} {{message}} {{/verifyErrors}} {{^verifyErrors}} {{#message}} {{message}} {{/message}} {{^message}} Something went wrong. {{/message}} {{/verifyErrors}} 5 && !stateSidebarWordList.expended) ? 195 : (stateSidebarWordListItems.length * 39)" [src]="stateSidebarWordListItems" {{name}} 5 && !stateSidebarWordList.expended) ? 'hao hp lmt-25' : 'hdn'" More Go to your word lists {{#verifyErrors}} {{message}} {{/verifyErrors}} {{^verifyErrors}} {{#message}} {{message}} {{/message}} {{^message}} Something went wrong. {{/message}} {{/verifyErrors}} Tell us about this example sentence: The word in the example sentence does not match the entry word. The sentence contains offensive content. Cancel Submit Thanks! 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