Choose the perfect synonym or antonym for the word Refers to one or the other of two choices or options
Either
/ˈaɪðər/Synonyms:
Antonyms:
Examples:
You mustn't let that child make that noise either.
And yet without a word on either side.
I have never seen either Mr. or Mrs. Elton.
Etymology:
From Old English ‘æghwæther’ meaning each of two, merging with Middle English ‘ither’, reinforced by influenced forms ‘aither’ and ‘eider’ from Old Norse ‘eiðr’, related to Dutch ‘ieder’ and German ‘jeder’.
Usage Statistics:
182 mentions per 1 million words 
Hint: Frequency according to COCA
Very Often
Hint: Frequency according to COCA
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