whether

Introduces a simple indirect question (without a correlative).

Whether we'll be on time I'm unsure.

Do you know whether he's coming?

Indicates doubt between possibilities (usually with correlative or).

He chose the correct answer, but whether by luck or by skill I don't know.

I can't decide whether to get divorced now or wait.

Introduces a disjunctive adverbial clause qualifying the main clause (with correlative or).

He's coming, whether you like it or not.

I'll enjoy playing with my friends again, whether we win or lose.

Introduces a direct question between alternatives (often with correlative or).

whether ys it easyer to saye to the sicke of the palsey, thy synnes ar forgeven the: or to saye, aryse, take uppe thy beed and walke?

Whether hadst thou rather be a Faulconbridge, [...] Or the reputed sonne of Cordelion?

Which of two.

But to whether side fortune would have been partial could not be determined.

Whilst thus the case in doubtfull ballance hong, Vnsure to whether side it would incline,

Which of two.

The debite answered and sayde unto them: whether of the twayne will ye that I lett loosse unto you?

Whether of them twain did the will of his father?