bonkers

[bong-kerz]

adjective

Slang.

1. mentally unbalanced; mad; crazy.

bonkers

/ ˈbɒŋkəz /

adjective

1. slang,  mad; crazy

Word History and Origins

Origin of bonkers¹

1945–50; of uncertain origin; for final element, -ers

Word History and Origins

Origin of bonkers¹

C20 (originally in the sense: slightly drunk, tipsy): of unknown origin

Example Sentences

She also thought the alternative to a school bus to Tadcaster was "bonkers".

From BBC

Mr Dolphin added the reason for the delay was "bonkers", considering the dangers posed by overhead electric wires.

From BBC

It seems bonkers to suggest Rangers would have settled for six at the break, but given Brugge's final goal came with 40 minutes remaining, it is a realistic thought.

From BBC

"I think it's bonkers. Until I see him I don't think I'll believe he's here."

From BBC

"I need my immune system to catch up. It drives me bonkers not being able to go to the gym."

From BBC

When To Use

Where does the word bonkers come from?

Bonkers is a funny-sounding word. It's a goofy, lighter, informal way to say "crazy" or "nuts”—but keep in mind that’s it not so fun to make fun of people’s mental health.Its origins are unclear, but bonkers is first recorded as British naval slang for "a bit drunk" in the 1940s—perhaps acting like someone has bonked, or hit, them on the head.The roots of these other words may get a rise—of laughter or surprise—out of you. Run on over to our roundup of them at "Weird Word Origins That Will Make Your Family Laugh."