American English

Definition of nutty adjective from the Oxford Advanced American Dictionary



    (nuttier, nuttiest)
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  1. 1tasting of or containing nuts a nutty taste
  2. 2(informal) slightly crazy She's got some nutty friends. They had some nutty idea about eating only raw food. He's as nutty as a fruitcake (= completely crazy).
See the Oxford Advanced Learner's Dictionary entry: nutty