whether or not

whether or not

Regardless of whether (something happens or is the case). Whether or not you're a member, you still have to pay admission for the special exhibit. I'm going whether or not you come with me.See also: not

whether or not

either if something is the case or if something is not the case; one way or the other. I'll drive to New York tomorrow whether or not it rains. I'm going to the mall whether you come with me or not.See also: not

whether or not

Also, whether or no. Regardless of whether, no matter if. For example, Whether or not it rains, we're going to walk to the theater, or She plans to sing at the wedding, whether or no anyone asks her to. The negative element in these constructions may also follow the subject and verb, as in I have to attend, whether I want to or not. [c. 1600] See also: not