whether
/ˈwɛðə(ɹ)/
Proposed by a contributor, not yet supported by evidence.
Sense 1
Meaning · English
Introduces a simple indirect question (without a correlative).
Conjunction
Examples
Whether we'll be on time I'm unsure.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
Indicates doubt between possibilities (usually with correlative or).
Conjunction
Examples
He chose the correct answer, but whether by luck or by skill I don't know.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “whether” mean?
Introduces a simple indirect question (without a correlative).
Is “whether” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.