cray-dar

noun

The ability to detect whether or not a person is crazy.

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Meanings

nouncray-dar (uncountable)
  1. slanguncountableThe ability to detect whether or not a person is crazy.

    […] You put him right in the crosshairs of my mother's cray-dar, and I suspect he'll be keeping a very low profile for a while.”

    2015, Sharon Saracino, Smitten with Death, The Wild Rose Press, →ISBN
    2 more examples

    Someone who likes whips and bondage just as much as you will probably be at the party too; I’m sure your cray-dar will start beeping soon.

    2012, Catherine Alvarez-McCurdy, "Halloween Costumes: Least To Most Fuckable", The Chicago Shady Dealer (humor magazine of The University of Chicago), Volume 9, Issue 2, 5 November 2012, page 3

    Turn on your “cray-dar,” Aquarius. While you love an eccentric individual, this week you could magnetize people who are truly off their rockers.

    2013 October 9, “Zodiac”, in The Valley Beat, number 160, page 26

Origin

From cray (“crazy”) + -dar.

Full word history & related roots →
Cite this entry
APA

cray-dar. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cray-dar

MLA

“cray-dar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cray-dar. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “cray-dar,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cray-dar.

Source: cray-dar on Wiktionary, CC BY-SA 4.0.