1.+ food含有坚果的；富含坚果的
nutty butter cookies坚果黄油饼干
2.+ flavour坚果味的
Chickpeas have a distinctive, delicious, nutty flavour.鹰嘴豆有一种独特的坚果香味。
3.<非正式>(fond)+ person痴迷的；迷恋的
He's nutty about trains.他对火车非常痴迷。
4.<非正式>(crazy)+ person, idea疯狂的；狂热的
That's a nutty idea.那是个疯狂的想法。
5.as nutty as a fruitcake<非正式>(crazy)
+ person疯狂的；狂热的
When he was released, he was as nutty as a fruitcake.他被释放时激动得不能自已。