Adjective

(er)

Insane; lunatic; demented.

* 1663 , (Samuel Butler), (Hudibras)

Over moist and crazy brains.

* , chapter=5

, title= Mr. Pratt's Patients , passage=Of all the queer collections of humans outside of a crazy asylum, it seemed to me this sanitarium was the cup winner. […] When you're well enough off so's you don't have to fret about anything but your heft or your diseases you begin to get queer, I suppose.}}

Out of control.

Overly excited or enthusiastic.

* R. B. Kimball

The girls were crazy to be introduced to him.

In love; experiencing romantic feelings.

(informal) Unexpected; surprising.

Characterized by weakness or feebleness; decrepit; broken; falling to decay; shaky; unsafe.

* Macaulay

Piles of mean and crazy houses.

* Addison

One of great riches, but a crazy constitution.

* Jeffrey

They got a crazy boat to carry them to the island.

Adjective

(en adjective)

Entertaining.

* {{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)

, chapter=5 citation , passage=‘It's rather like a beautiful Inverness cloak one has inherited. Much too good to hide away, so one wears it instead of an overcoat and pretends it's an amusing new fashion.’}}

* {{quote-magazine, date=2012-12-21

, author=George Monbiot, authorlink=George Monbiot , title=Your gift at Christmas will soon be junk , volume=188, issue=2, page=24 , date=2012-12-10 , magazine= citation , passage=They seem amusing on the first day of Christmas, daft on the second, embarrassing on the third. By the twelfth they're in landfill. For 30 seconds of dubious entertainment, or a hedonic stimulus that lasts no longer than a nicotine hit, we commission the use of materials whose impacts will ramify for generations.}}

Funny, hilarious.