whether
Translation
whether, if
Examples
I don't know whether he will come.
I don't know whether he will come.
Whether you win or lose, you should try.
Whether you win or lose, you should try.
Grammar Patterns
whether ((clause)) to introduce a doubt or choice I don't know whether he is right.
whether ((A)) or ((B)) to introduce two alternatives Whether you like it or not, you have to do it.
Similar Words
Synonyms: if
Etymology
From Old English 'hwæðer', meaning 'which of two'.
Memory Tips
Think of 'which of the two' to remember it's about choices. The phrase 'whether the weather...' is a common mnemonic.