nonsense
/ˈnɑn.sɛns/ interjection C2- An emphatic rejection of something one has just heard and does not believe or agree with.
From the library
“Nonsense!
“Man, it would be absolute nonsense if it wasn’t that anything else is even worse!” cried MacDonald.
And talking nonsense all the time--
“Nonsense,” said Marilla, vexed at herself for having made the child cry.
Other matches
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