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Synonyms

bananas

American  
[buh-nan-uhz] / bəˈnæn əz /

adjective

Slang.
  1. crazy; deranged.

    All that chatter is driving me bananas.

  2. wildly enthusiastic.

    The crowd went bananas when the music began.


bananas British  
/ bəˈnɑːnəz /

adjective

  1. slang crazy (esp in the phrase go bananas )

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of bananas

1965–70, see banana, -s 3

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Environmentalists went bananas over the February order, and at least 10 green groups sued in federal court in March.

From The Wall Street Journal • May 13, 2026

I’ll have a green smoothie with kale, spinach, bananas and blueberries and some collagen powder.

From Los Angeles Times • May 1, 2026

You wait until the bananas are nearly gone — soft, speckled, with that distinct on-the-edge-of-death banana smell — and turn them into something new.

From Salon • Apr. 28, 2026

But some entrepreneurs have also identified business opportunities, including food sellers who offer hungry drivers bread and bananas, or more elaborate meals of spicy biryani rice.

From Barron's • Apr. 21, 2026

She hasn’t eaten anything but toast and polenta and bananas since the deer.

From "A Heart in a Body in the World" by Deb Caletti

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