Collins Primary Illustrated Dictionary. Collins Dictionaries

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Collins Primary Illustrated Dictionary - Collins  Dictionaries

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      bold bolder, boldest

      ADJECTIVE 1 brave or confident • He was bold enough to ask for her autograph.

      2 clear and noticeable • The sign was painted in bold colours.

      [from Old Norse ballr meaning dangerous or terrible]

      bollard bollards

      NOUN a short, thick post used to stop vehicles from entering a road

      bolt bolts, bolting, bolted

      NOUN 1 a metal object that screws into a nut and is used to fasten things together

images

      VERB 2 If you bolt one thing to another, you fasten them together using a bolt. • They bolted the chair to the floor.

      3 If you bolt a door or window, you slide a metal bar across in order to fasten it.

      bomb bombs, bombing, bombed

      NOUN 1 a container filled with material that explodes when it hits something or when it is set off by a timer

      VERB 2 If you bomb something, you attack it with a bomb.

      [from Greek bombos meaning a booming sound]

      bond bonds

      NOUN a close relationship between people • the bond between mothers and babies

      bone bones

      NOUN the hard parts that form the framework of a person’s or animal’s body

      bonfire bonfires

      NOUN a large fire made outdoors, to burn rubbish or to celebrate something

      [from bone + fire – bones were used as fuel in the Middle Ages]

      bonnet bonnets

      NOUN 1 the metal cover over a car’s engine

      2 a baby’s or woman’s hat tied under the chin

      bonus bonuses

      NOUN 1 an amount of money added to a person’s usual pay

      2 a good thing that you get in addition to something else

      bony bonier, boniest

      ADJECTIVE Bony people or animals are very thin, with not much flesh covering their bones.

      book books, booking, booked

      NOUN 1 a number of pages held together inside a cover

      VERB 2 When you book something, you arrange to have it or use it at a particular time. • Mum booked two rooms at the hotel.

      bookcase bookcases

      NOUN a piece of furniture where you keep books

      booklet booklets

      NOUN a small book with a paper cover

      boom booms, booming, boomed

      NOUN 1 a deep, echoing sound

      2 a fast increase in something • There has been a boom in the sale of sun cream this summer.

      VERB 3 If something booms, it makes a loud booming sound. • We heard the foghorn boom in the distance.

      boomerang boomerangs

      NOUN a curved, wooden missile that can be thrown so that it returns to the thrower. Boomerangs were traditionally used as weapons by Australian Aborigines.

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      boost boosts, boosting, boosted

      VERB If someone boosts something, they improve or increase it. • The teacher boosted Juliet’s confidence when she praised her story.

      boot boots

      NOUN 1 strong shoes that come up over your ankle, and sometimes your calf

      2 the covered space in a car, usually at the back, for carrying things in

      booth booths

      NOUN 1 a small, partly-enclosed area • a telephone booth

      2 a stall where you can buy things, for example at a market or a fair

      border borders

      NOUN 1 the dividing line between two countries

      2 a strip or band round the edge of something

      3 flower beds round the edges of a garden

      borderline borderlines

      NOUN If someone or something is on the borderline, they are on the division between two different categories.

      bore bores, boring, bored

      VERB 1 If something bores you, you find it dull and uninteresting.

      2 If you bore a hole in something, you make it using a tool such as a drill.

      3 the past tense of bear

      NOUN 4 someone or something that bores you

      bored

      ADJECTIVE If you are bored, you are miserable because you have nothing interesting to do.

      images Do not confuse bored with board.

      boring

      ADJECTIVE dull and uninteresting

      ANTONYM: interesting

      born

      VERB When an animal such as a human baby is born, it comes out of its mother’s body and starts to live.

      borrow borrows, borrowing, borrowed

      VERB If you borrow something that belongs to someone else, they let you have it for a period of time. • I borrowed a book from my friend.

      boss bosses, bossing, bossed

      NOUN 1 Someone’s boss is the person in charge of the place where they work.

      VERB 2 If someone bosses you, they keep telling you what to do.

      bossy bossier, bossiest

      ADJECTIVE If you are bossy, you like to order other people around.

      botany

      NOUN

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