whether (B1)

conjunction

Pronunciation: /ˈwɛðər/

Definition

Introducing a clause that expresses a doubt or choice between alternatives.

Examples

• She asked whether I wanted coffee or tea.

• He was unsure whether to accept the job offer.

• Let me know whether you can make it to the meeting.

How to Use whether

whether or not (idiom)

Regardless of the situation; it doesn't matter which of the two possibilities is true. — "Whether or not you agree, we have to move forward."

whether to (prepositional phrase)

Introducing an infinitive phrase to express a choice or uncertainty about an action. — "She was debating whether to call him or send an email."

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