In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for whether or not, like: whether, in-any-case, , if, whichever, certainly, positively and surely.

What should we use in place of whether or not?

In some cases, the phrase can also mean something like “regardless.” To use this phrase in a sentence of your own, you can use it either before a verb, phrase or clause or you can insert a verb, phrase or clause in between the “whether” and the “not.”

Is it formal or whether?

Whether and if are interchangeable when used to report a yes/no question. In formal writing we always use whether in cases like (3) and (4). In some cases, however, whether and if are not equivalent. Use whether to present two alternatives.