'Whether' - meaning and usage. Meanings and usages of 'whether'.
The word "whether" is a conjunction used to express doubt or introduce alternatives, conditions, or possibilities. It is often used to indicate uncertainty or a choice between two (or more) options. "Whether" is most commonly paired with "or" but can be used without it in some contexts.
Meaning
1. B1 alternative
(conjunction) used to express a choice between two alternatives, often used with "or" (whether... or)
I don’t know whether to go to the party or stay home.
We need to decide whether we should drive or take the train.
She was unsure whether to wear the blue dress or the red one.
3. B1 condition
(conjunction) used to present a condition that applies regardless of the outcome
I will attend the event whether it rains or not.
He will succeed whether you help him or not.
We need to finish the project, whether we like it or not.
I’m going to the gym whether or not you come with me.
2. B1 uncertainty
(conjunction) used to report questions or uncertainty
I’m unsure whether this is the right decision.
Let me know whether you're free next week.
I wonder whether she will come to the party.
Do you know whether she has finished the project?
Usage Note
The second part of the "whether... or" structure is sometimes implied.
I don't know whether to leave.
I don't know whether to leave or stay.
"Whether... or not" structure can be used in different ways.
I need to know whether you’re coming or not.
I need to know whether or not you’re coming.
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