Englishfor English speakers
agree
Verb
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When two people agree about something, they have the same ideas. They both think the same things are true.
We agree that it will probably rain this afternoon.
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When two people agree to do some things, they say something like "if you do this, then I will do that." After they agree, then they must do the things they said.
We agreed to pay him $100 to paint the walls.
completely
Adverb
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When something is completely some quality, it is absolutely that quality, in every way.
The man was completely honest in his business.
This is completely different from what people might believe.
The discovery has given us a completely new way of looking at thing.