Words That Start With BI
Here are 455 words that start with bi, from everyday words to rare ones that are still valid in word games. Common words come first with a short meaning, then the words are grouped by length, which helps with Wordle and crossword clues.
As a prefix, bi means "two", as in bicycle and bilingual. Words like bird or big just share the letters.
- Words starting with bi
- 455
- Most used
- big
- Shortest
- big
- 5 letter words
- 39
Common words that start with bi
| # | Word | Meaning | Letters |
|---|---|---|---|
| 1 | big | above average in size or number or quantity or magnitude or extent | 3 |
| 2 | bit | a small piece or quantity of something | 3 |
| 3 | bill | a statute in draft before it becomes law | 4 |
| 4 | biggest | above average in size or number or quantity or magnitude or extent | 7 |
| 5 | birth | the time when something begins (especially life) | 5 |
| 6 | birthday | an anniversary of the day on which a person was born (or the celebration of it) | 8 |
| 7 | billion | denoting a quantity consisting of one thousand million items or units in the United States | 7 |
| 8 | bigger | large or big relative to something else | 6 |
| 9 | bird | warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | 4 |
| 10 | birds | warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings | 5 |
| 11 | bible | the sacred writings of the Christian religions | 5 |
| 12 | bike | a motor vehicle with two wheels and a strong frame | 4 |
| 13 | bills | a statute in draft before it becomes law | 5 |
| 14 | bid | propose a payment | 3 |
| 15 | bishop | port wine mulled with oranges and cloves | 6 |
| 16 | billy | a short stout club used primarily by policemen | 5 |
| 17 | biological | pertaining to biology or to life and living things | 10 |
| 18 | bite | to grip, cut off, or tear with or as if with the teeth or jaws | 4 |
| 19 | bin | a container; usually has a lid | 3 |
| 20 | biology | the science that studies living organisms | 7 |
| 21 | bitter | marked by strong resentment or cynicism | 6 |
| 22 | bias | a partiality that prevents objective consideration of an issue or situation | 4 |
| 23 | bits | a small piece or quantity of something | 4 |
| 24 | binding | the capacity to attract and hold something | 7 |
| 25 | bizarre | conspicuously or grossly unconventional or unusual | 7 |
| 26 | bicycle | a wheeled vehicle that has two wheels and is moved by foot pedals | 7 |
| 27 | billions | the number that is represented as a one followed by 12 zeros | 8 |
| 28 | binary | a system of two stars that revolve around each other under their mutual gravitation | 6 |
| 29 | bikes | a motor vehicle with two wheels and a strong frame | 5 |
| 30 | biography | an account of the series of events making up a person's life | 9 |
| 31 | bids | propose a payment | 4 |
| 32 | billboard | large outdoor signboard | 9 |
| 33 | bibliography | a list of writings with time and place of publication (such as the writings of a single author or the works... | 12 |
| 34 | bidding | an authoritative direction or instruction to do something | 7 |
| 35 | bishops | port wine mulled with oranges and cloves | 7 |
| 36 | bites | a wound resulting from biting by an animal or a person | 5 |
| 37 | biting | capable of wounding | 6 |
| 38 | biased | influence in an unfair way | 6 |
| 39 | billionaire | a very rich person whose material wealth is valued at more than a billion dollars | 11 |
| 40 | bind | stick to firmly | 4 |
| 41 | bilateral | having identical parts on each side of an axis | 9 |
| 42 | bingo | a game in which numbered balls are drawn at random and players cover the corresponding numbers on their cards | 5 |
| 43 | bikini | an atoll in the Marshall Islands; formerly used by the United States as a site for testing nuclear weapons | 6 |
| 44 | bisexual | sexually attracted to both sexes | 8 |
| 45 | births | the time when something begins (especially life) | 6 |
| 46 | bipolar | of or relating to manic depressive illness | 7 |
| 47 | binge | any act of immoderate indulgence | 5 |
| 48 | biscuits | small round bread leavened with baking-powder or soda | 8 |
| 49 | billed | demand payment | 6 |
| 50 | billing | demand payment | 7 |
3 letter words that start with bi
- big
- bit
- bid
- bin
- bio
- bis
- biz
- bib
4 letter words that start with bi
- bill
- bird
- bike
- bite
- bias
- bits
- bids
- bind
- bins
- bios
- bile
- biff
- bide
- bigs
- bibs
- bier
- bint
- bibb
- birk
- birr
- bilk
- bice
- bima
- bine
- bitt
- bise
5 letter words that start with bi
- birth
- birds
- bible
- bills
- billy
- bikes
- bites
- bingo
- binge
- birch
- binds
- biker
- bison
- bigot
- bilbo
- bitty
- biome
- bight
- bilge
- biter
- bidet
- bijou
- biota
- biddy
- bigly
- bindi
- biles
- biked
- bitsy
- birks
- biffy
- bipod
- biped
- bided
- bibbs
- bines
- bides
- bikie
- bifid
6 letter words that start with bi
- bigger
- bishop
- bitter
- binary
- biting
- biased
- bikini
- births
- billed
- bitten
- bidder
- billie
- biking
- biases
- binder
- biopsy
- birdie
- bikers
- biggie
- bitchy
- biceps
- bistro
- bibles
- bigots
- biopic
- bionic
- billet
- biotic
- biogas
- bicker
- biotin
- biding
- bisque
- binned
- bigamy
- biomes
- binges
- binged
- biters
- billow
- biller
- bigwig
- biggin
- bisons
- biogen
- bidets
- bisect
- billon
- bifold
- bidden
- bijoux
- birder
- binger
- bipeds
- bicarb
- bilked
- bigeye
- bilges
- bingos
7 letter words that start with bi
- biggest
- billion
- biology
- binding
- bizarre
- bicycle
- bidding
- bishops
- bipolar
- billing
- biscuit
- bigotry
- biomass
- bidders
- bigfoot
- biotech
- bigoted
- bikinis
- birdman
- binders
- bitumen
- birdies
- birthed
- bismuth
- bitters
- birding
- bighorn
- biliary
- biplane
- bitched
- bipedal
- binging
- billets
- bilayer
- billows
- binning
- bigwigs
- birches
- biasing
- bivouac
- bivalve
- bicolor
- biggins
- bimodal
- bionics
- birders
- bittern
- bisects
- bikeway
- bilious
- biggies
- biotite
- birdied
- bigness
- bindery
- bighead
- billowy
- bistros
- biopics
- biddies
13 more in the filter below.
8 letter words that start with bi
- birthday
- billions
- biblical
- bisexual
- biscuits
- bicycles
- bitterly
- billings
- biennial
- bitching
- birthing
- bindings
- billiard
- biennale
- binaries
- binomial
- biopsies
- biathlon
- biweekly
- biracial
- birdsong
- biologic
- biannual
- birdcage
- binaural
- billable
- bisected
- bivalves
- bilinear
- billeted
- bingeing
- biogenic
- birdseye
- bifocals
- billowed
- biplanes
- birdshot
- biphasic
- bigamist
- birdseed
- bilberry
- bilayers
- billfold
- bicuspid
- biopsied
- bioassay
- biennium
- bigmouth
- bickered
- bikeways
- birdbath
- billfish
- birdlike
- binnacle
- biocides
- bivalent
- bitingly
- bindweed
- bicyclic
- biphenyl
8 more in the filter below.
9 letter words that start with bi
- biography
- billboard
- bilateral
- bilingual
- birthdays
- biologist
- bickering
- biometric
- biosphere
- billiards
- bicycling
- biohazard
- bizarrely
- bimonthly
- binocular
- bioethics
- bisexuals
- bishopric
- billowing
- birthmark
- birthdate
- biologics
- bicyclist
- bioactive
- billabong
- birdhouse
- bilirubin
- billionth
- bicameral
- birthrate
- biosafety
- bipartite
- bitterest
- biosensor
- bisecting
- bivariate
- biphenyls
- biathlete
- biennials
- billeting
- bijection
- bifurcate
- bisulfite
- bionomics
- bisection
- bittering
- bicoastal
- bioassays
- biorhythm
10 letter words that start with bi
- biological
- biomedical
- bitterness
- bipartisan
- birthplace
- billboards
- biologists
- binoculars
- biographer
- birthright
- biometrics
- biophysics
- bicyclists
- biochemist
- bioscience
- biogenesis
- bituminous
- bifurcated
- birthstone
- biblically
- biosensors
- bilinguals
- biennially
- bioreactor
- biodynamic
- binational
- bishoprics
- birthmarks
- birthrates
- bitterroot
- bicultural
- biographic
- biocontrol
- bimetallic
- bitchiness
- biannually
- birdhouses
- biopolymer
- bivouacked
- bioethical
- biodegrade
- bifurcates
- birthdates
- biogenetic
- bipedalism
- biomorphic
- bipolarity
11 letter words that start with bi
- billionaire
- bittersweet
- biographies
- biochemical
- bicarbonate
- bisexuality
- biosciences
- biographers
- bifurcation
- biophysical
- bilaterally
- biofeedback
- biomedicine
- bibliotheca
- bibliophile
- bicentenary
- biochemists
- biologicals
- bioreactors
- birthplaces
- biopolymers
- biomaterial
- birdwatcher
- bioelectric
- bioactivity
- bifurcating
- bioethicist
- bioengineer
- biomolecule
12 letter words that start with bi
- bibliography
- biodiversity
- billionaires
- biographical
- biochemistry
- biologically
- biosynthesis
- bicentennial
- bilingualism
- biomechanics
- biomaterials
- biogeography
- biomolecules
- biomolecular
- biosynthetic
- birdwatchers
- bioavailable
- bibliophiles
- biochemicals
- bifurcations
- bifunctional
- birefringent
- bioengineers
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Questions people ask
How many words start with bi?
This list has 455 words starting with bi, all from a standard word-game dictionary and all seen in real English text.
What are common words that start with bi?
big, bit, bill, biggest, birth, birthday, billion, bigger.
What 5 letter words start with bi?
birth, birds, bible, bills, billy, bikes, bites, bingo, binge, birch.
What does the prefix bi mean?
As a prefix, bi means "two", as in bicycle and bilingual. Words like bird or big just share the letters.
Source: the ENABLE word list (a public-domain dictionary used for word games), ranked by how often each word appears in English text (the open wordfreq project), with short meanings from Princeton WordNet. Offensive words are left out.