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brainy

[brey-nee]

Origin

adjective, brain·i·er, brain·i·est. Informal.

intelligent; clever; intellectual.

Origin:
1835–45; brain + -y¹

Related forms

brain·i·ly, adverb

brain·i·ness, noun

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Brainy is always a great word to know.

So is interrobang. Does it mean:

a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.

a chattering or flighty, light-headed person.

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Collins

World English Dictionary

brainy (ˈbreɪnɪ)

—*adj* , brainier, brainiest
	informal clever; intelligent

'brainily

—*adv*

'braininess

—n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

brainy

1845, from brain + -y (2).

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"Being blunt with your feelings is very American. In this big country, I can be as brash as New York, as hedonistic as Los Angeles, as sensuous as San Francisco, as brainy as Boston, as proper as Philadelphia, as brawny as Chicago, as warm as Palm Springs, as friendly as my adopted home town of Dallas, Fort Worth, and as peaceful as the inland waterway that rubs up against my former home in Virginia Beach."

-Martina Navratilova

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brainy

brain·y