1
informal
a
: enthusiastic, keen
—often used with about
She's nuts about baseball.
b
: feeling affection or love for someone or something
—often used with for or about
He's nuts for her.
They're nuts about each other.
2
informal + sometimes offensive
: not mentally sound
see also drive (someone) nuts
Love words? Need even more definitions?
Merriam-Webster unabridged
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