Englishfor English speakers
certain
Adjective
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If you are certain of something, you believe it to be true without doubt.
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If something is certain, it will happen without doubt.
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If you make certain of something, you check that it is true or correct.
certain
Determiner
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Used to talk about groups or individuals without saying exactly which one(s).
Certain problems can be solved with very simple math.
Her job gave her a certain freedom.
Certain of the members did not agree.
event
Noun
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An event is anything that happens.
The event of her walking into the room happened before the event of the book falling off the table, so she saw it fall.
In the event that the machine breaks, read this to know what to do.
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An event is when many people come together at a time they choose for a reason or for fun.
At the event tomorrow we're going to have balloons and music.