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[C or U] one thing which can be chosen from a set of possibilities, or the freedom to make a choiceThe best option would be to cancel the trip altogether.
There are various options open to someone who is willing to work hard.
They didn't leave him much option - either he paid or they'd beat him up.
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[C] specialized the right to buy something in the futurea share option
The publishers decided not to take up their option on the paperback version.
have no option (but to do something) to not have the possibility of doing something elseAfter her appalling behaviour, we had no option but to dismiss her.