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.

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bananas British  

/ bəˈnɑːnəz /

adjective

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

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Etymology

Origin of bananas

1965–70, see banana, -s ³

Example Sentences

Trimming the wine budget is one thing; touching the office snacks, like bananas or Kind bars, can be a no-go.

From The Wall Street Journal • Mar. 30, 2026

He said he and his wife Antoinette had worked their land for decades to grow manioc and bananas on steep fields that had taken a toll on his wife's back.

From Barron's • Mar. 14, 2026

“All the volatility curves kind of inform each other. It’s hard for bond volatility to go bananas and not bleed into equity volatility.”

From MarketWatch • Mar. 3, 2026

Everything became more expensive at the start of the year: meat, milk, salt, flour, potatoes, pasta, bananas, soap, toothpaste, socks, laundry detergent, and many medicines too.

From BBC • Feb. 17, 2026

Jack built a three-sided shed for the tools, with a hook for the bananas and his big machete to cut them with.

From "Nim’s Island" by Wendy Orr