VERB If you bid for something, you offer to buy it for a certain sum of money. He bid for an old bike at the auction.
big bigger, biggest
ADJECTIVE large or important
ANTONYMS: small, tiny, little
bike bikes
NOUN an abbreviation for bicycle
bikini bikinis
NOUN a small, two-piece swimming costume worn by women
bilingual
ADJECTIVE involving or using two languages bilingual street signs
[from Latin bis meaning two and lingua meaning tongue]
bill bills
NOUN 1 a written statement of how much is owed for goods or services a phone bill
2 a formal statement of a proposed new law that is discussed and then voted on in Parliament
3 A bill can be a piece of paper money. a dollar bill
4 A birds bill is its beak.
billiards
NOUN a game in which a long stick called a cue is used to move balls on a table
billion billions
NOUN a thousand million You can write one billion like this: 1,000,000,000.
billow billows, billowing, billowed
VERB 1 When things made of cloth billow, they swell out and flap slowly in the wind.
2 When smoke or cloud billows, it spreads upwards and outwards.
NOUN 3 a large wave
billy goat billy goats
NOUN a male goat
bin bins
NOUN a container, especially one that you put rubbish in
binary
ADJECTIVE The binary system is a number system used when working with computers. It uses only two digits, 0 and 1.
bind binds, binding, bound
VERB 1 If you bind something, you tie rope or string round it so that it is held firmly.
2 If you bind a wound, you wrap bandages round it.
3 When a book is bound, the pages are joined together and a cover is put on.
bingo
NOUN a game in which players aim to match the numbers that someone calls out with the numbers on the card they have been given
binoculars
PLURAL NOUN an instrument with lenses for both eyes, which you look through in order to see objects far away They used binoculars for bird watching.
biodegradable
ADJECTIVE Biodegradable materials can be broken down naturally, and so they are not dangerous to the environment.
biography biographies
NOUN the history of someones life, written by someone else
biology
NOUN the study of living things
[from Greek bios + logos meaning life study]
birch birches
NOUN a tall, deciduous tree with thin branches and thin bark
bird birds
NOUN an egg-laying animal with feathers, two wings, two legs and a beak
birth births
NOUN Your birth was when you were born.
birthday birthdays
NOUN Your birthday is the anniversary of the date on which you were born.
birthmark birthmarks
NOUN a mark on your skin that has been there since you were born
biscuit biscuits
NOUN a small, flat cake that is crisp and usually sweet
bisect bisects, bisecting, bisected
VERB to divide a line or an area in half
bishop bishops
NOUN a high-ranking clergyman in some Christian Churches
bison
NOUN a large, hairy animal, related to cattle, with a large head and shoulders. Bison used to be very common on the prairies in North America, but they are now almost extinct.
bit bits
VERB 1 the past tense of bite She bit into the toast.
NOUN 2 A bit of something is a small amount of it.
PHRASE 3 INFORMAL A bit means slightly or to a small extent. Thats a bit difficult.
bitch bitches
NOUN a female dog
bite bites, biting, bit, bitten
VERB If you bite something, you cut into it with your teeth.
bitter bitterest
ADJECTIVE 1 A bitter taste is sharp and unpleasant.
2 A bitter wind is extremely cold.
3 If you are bitter about something, you feel angry and resentful.
bizarre
ADJECTIVE very strange and weird
SYNONYMS: odd, peculiar
black blacker, blackest
NOUN OR ADJECTIVE the darkest possible colour, like the sky at night when there is no light
blackberry blackberries
NOUN a small, soft black fruit that grows on brambles
blackbird blackbirds
NOUN a common European bird, the male of which has black feathers and a yellow beak
blackboard blackboards
NOUN a dark-coloured board in a classroom, which teachers write on using chalk
blackcurrant blackcurrants
NOUN Blackcurrants are very small, dark, purple fruits that grow in bunches on bushes.
black hole black holes
NOUN the empty space made by the collapse of a star
bladder bladders
NOUN the part of your body where urine is held until it leaves your body
blade blades
NOUN 1 the sharp part of a knife, axe or saw
2 a single piece of grass
blame blames, blaming, blamed
VERB If someone blames a person for something bad that has happened, they believe that person caused it.
SYNONYM: accuse
blank blanker, blankest
ADJECTIVE 1 Something that is blank has nothing on it. a blank sheet of paper
2 If you look blank, your face shows no feeling or interest.
blanket blankets
NOUN a large rectangle of thick cloth that is put on a bed to keep people warm
[from Old French blancquete meaning little white thing]
blare blares, blaring, blared
VERB to make a loud, unpleasant noise The radio blared from the flat below.
blast blasts, blasting, blasted
VERB 1 When people blast a hole in something, they make a hole with an explosion. Theyre using dynamite to blast away rocks.
NOUN 2 a big explosion, especially one caused by a bomb
blaze blazes, blazing, blazed
NOUN 1 a large, hot fire
VERB 2 If something blazes, it burns or shines brightly. The fire blazed in the fireplace.
blazer blazers
NOUN a kind of jacket, often in the colours of a school or sports team
bleach bleaches, bleaching, bleached
NOUN 1 a chemical that is used to make material white or to clean thoroughly and kill germs
VERB 2 If you bleach material or hair, you make it white, usually by using a chemical.
bleak bleaker, bleakest
ADJECTIVE 1 If a place is bleak, it is cold, bare and exposed to the wind. a bleak mountain top
2 If a situation is bleak, it is bad and seems unlikely to improve.
bleat bleats, bleating, bleated
VERB When sheep or goats bleat, they make a high-pitched cry.
bleed bleeds, bleeding, bled
VERB When you bleed, you lose blood as a result of an injury. My hand bled a lot after I cut it.
blend blends, blending, blended
VERB 1 When you blend substances, you mix them together to form a single substance. Blend the butter with the sugar.
2 When colours or sounds blend, they combine in a pleasing way.
bless blesses, blessing, blessed or blest
VERB When a priest blesses people or things, he or she asks God to give his protection to them.
[from Old English bloedsian meaning to sprinkle with sacrificial blood]
blew
VERB the past tense of blow
blind blinds, blinding, blinded
ADJECTIVE 1 Someone who is blind cannot see.
VERB 2 If something blinds you, it stops you seeing, either for a short time or permanently.
NOUN 3 a roll of cloth or paper that you pull down over a window to keep out the light
blindfold blindfolds
NOUN a strip of cloth tied over someones eyes to stop them seeing
blink blinks, blinking, blinked
VERB When you blink, you close your eyes quickly for a moment.
bliss
NOUN a state of complete happiness
blissful ADJECTIVE blissfully ADVERB
blister blisters
NOUN a small bubble on your skin containing watery liquid, caused by a burn or rubbing
blizzard blizzards
NOUN a heavy snowstorm with strong winds
bloated
ADJECTIVE Something that is bloated is much larger than normal, often because there is a lot of liquid or gas inside it.
block blocks, blocking, blocked
NOUN 1 a large building containing flats or offices
2 In a town, a block is an area of land with streets on all its sides.
3 a large, rectangular, three-dimensional piece of something
VERB 4 If someone or something blocks a road or channel, they put something across it so that nothing can get through.
SYNONYM: obstruct
block capitals
PLURAL NOUN large upper-case letters. THESE ARE BLOCK CAPITALS.
block graph block graphs
NOUN another name for bar chart
blog blogs, blogging, blogged
NOUN 1 a persons online diary that they put on the internet so that other people can read it
VERB 2 If you blog about something, you write about it in a blog. He blogs about cooking and restaurants.
blonde blondes
ADJECTIVE 1 Blonde hair is pale yellow in colour. The spelling blond is used when referring to men.
NOUN 2 A blonde or blond is a person with pale yellow hair.
blood
NOUN the red liquid that is pumped by the heart round the bodies of human beings and other vertebrates
bloodstream
NOUN the flow of blood through your body
bloodthirsty
ADJECTIVE Someone who is bloodthirsty enjoys using or watching violence.
bloom blooms, blooming, bloomed
NOUN 1 a flower on a plant
VERB 2 When a plant blooms, it produces flowers.
blossom blossoms, blossoming, blossomed
NOUN 1 all the flowers that appear on a tree before the fruit
VERB 2 When a tree blossoms, it produces flowers.
blot blots
NOUN a mark made by a drop of liquid, especially ink
blouse blouses
NOUN a light shirt, worn by a girl or a woman
blow blows, blowing, blew, blown
VERB 1 When the wind blows, the air moves.
2 If you blow, you send a stream of air from your mouth.
3 If you blow your nose, you force air out of it through your nostrils in order to clear it.
NOUN 4 If you receive a blow, someone or something hits you.
blow up
VERB 1 If something blows up, it is destroyed by an explosion.
2 If you blow up a balloon or a tyre, you fill it with air.
blubber
NOUN the layer of fat beneath the skin of animals such as whales and seals that protects them from the cold
blue bluer, bluest
ADJECTIVE OR NOUN the colour of the sky on a clear, sunny day
bluebell bluebells
NOUN a woodland plant with blue, bell-shaped flowers
bluff bluffs, bluffing, bluffed
NOUN 1 an attempt to make someone believe that you will do something when you do not really intend to do it
VERB 2 If you are bluffing, you are trying to make someone believe that you are in a strong position when you are not.
[from Dutch bluffen meaning to boast]
blunder blunders, blundering, blundered
NOUN 1 a silly mistake
VERB 2 If you blunder, you make a silly mistake.
blunt blunter, bluntest
ADJECTIVE 1 A blunt object has a rounded point or edge, rather than a sharp one. My pencil was blunt so I could not write with it.
2 If you are blunt, you say exactly what you think, without trying to be polite.
SYNONYMS: outspoken, straightforward
blur
NOUN If something is a blur, you cant see it clearly. The mountain was a blur through the mist.
blurb blurbs
NOUN the description of a book printed on the back cover