B1[C or U]one thing that can be chosen from a set of possibilities, or the freedom to make a choice: The 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.Taking and choosing›[C]specializedthe right to buy something in the future: a share optionThe publishers decided not to take up their option on the paperback version.Financial investments and the stock markethave no option (but to do something)C1to have to do a particular thing because there is no possibility of doing anything else: After her appalling behaviour, we had no option but to dismiss her.Lack of freedom to act