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Headcase vs Crazy - What's the difference?

headcase | crazy |

In informal|lang=en terms the difference between headcase and crazy

is that headcase is (informal) a mentally unbalanced, unpredictable person, especially one who displays aggressive behavior while crazy is (informal) unexpected; surprising.

As nouns the difference between headcase and crazy

is that headcase is (informal) a mentally unbalanced, unpredictable person, especially one who displays aggressive behavior while crazy is an insane or eccentric person; a crackpot.

As an adjective crazy is

insane; lunatic; demented.

As an adverb crazy is

(slang) very, extremely.

headcase

English

Alternative forms

* head-case, head case

Noun

(en noun)
  • (informal) A mentally unbalanced, unpredictable person, especially one who displays aggressive behavior.
  • * 2004 , Sean Gregory, " Full-Court Stress," Time , 5 Apr.:
  • "A stockbroker doesn't have 80,000 people sitting behind him just waiting for a mistake," says Jim Fassel, whom fans serenaded with "Fire Fassel!" chants during his final weeks as head coach of the New York Giants last season. "It can drive you crazy." From head coach to head case in three easy steps.

    crazy

    English

    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.

    Synonyms

    * * (out of control) (l) * deranged * zany * loco

    Derived terms

    * craze * crazily * craziness * crazing * crazy bone * crazy like a fox * crazy mad * crazy paving * crazy quilt * like crazy

    Adverb

    (en adverb)
  • (slang) Very, extremely.
  • ''That trick was crazy good

    Noun

    (crazies)
  • An insane or eccentric person; a crackpot.
  • Synonyms

    * lunatic * mad man * nut ball * nut case