Englishfor English speakers
round
Preposition
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If mathx/math is round mathy/math, mathy/math is in the middle and mathx/math is on all sides.
Everyone stood round the fire to keep warm.
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If you turn or look round, you are now facing the opposite direction.
She turned round to see what had made the noise.
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You round up numbers in math
You round 28 up to 30.
round
Adjective
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Something is round if it's like a circle or like part of a circle. It is curved, not straight.
off
Preposition
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Away from somewhere or some time.
I got ready and by 7:00 I was off to school.
There's a nice restaurant just off the main road.
Bye, I'll be off now.
He was standing about 50m off.
Your birthday's only a few days off now.
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If something is off it is not on.
She took the hat off his head.
Keep your feet off the desk, please.
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Out of a vehicle such as a train, bus, etc.
As the train stopped, he jumped off and ran to her.
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If something that uses energy is off, it is not working.
It was dark in the room because the light was off.
He turned the TV off and went to bed.
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If you are off, you do not have to go to work or to school.
I work evenings, but I have my afternoons off.
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made smaller by a certain amount
They've taken 30% off the price.
We cut off a few pieces.
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If a plan, event, etc. is off, it will not happen.
Tonight's game is off because of the rain.
They've called off the meeting.
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If you're off something, you don't like or want something you wanted before.
That article really put me off meat.
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If you're off some medicine, you are not using it any more.
He's been off the pain killers for a few weeks.
off
Adjective
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If food is off, it is not good to eat anymore.
off
Verb
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If a person offs someone, they kill him or her.
I heard they offed Jimmy by drowning.
the
Determiner
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Used, instead of a, to reference something specific, already known to exist.
Compare "I read a book." and "I read the book."
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Used with a stress, to show that the word following is special.
Are you the John Smith that I went to school with?
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Used with an adjective that acts like a noun to mean all of the people concerned
The poor are always with us.
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Used with superlatives forms of adjectives and adverbs.
You are the best.
corner
Noun
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A corner is the place where two lines or edges meet.
They live on the corner of Main Street and Dundas.
Just put it on the table in the corner of the room.
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In business, a corner is a monopoly.
corner
Verb
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To corner someone is to get someone into a place where he or she cannot leave.
Jessy cornered him in the supply room and wouldn't let him leave.
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To go around corners.
The car really corners well. Turns are easy for it.