(usually, US, informal) : an entirely different; a whole other.
"Will the fog be gone by to-morrow morning?" said Patty, disconsolately. "I don't know what we shall do if we have to be '''a whole 'nother''' day in the house and in the dark."
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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