whether or not

phrase

1

: without being stopped or affected by something specified

We're going whether or not you decide to come along.

2

a

: if it is or was true that

uncertain whether or not all the options have been explored

b

: if it is or was better

wondered whether or not to include those details

3

archaic : in any case

"They've only been married a very few weeks, whether or no."

—Thomas Hardy