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birthday suit

noun
1.
bare skin; nakedness:
They were sunbathing in their birthday suits.
Origin
1745-1755
1745-55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for birth-day suit

birthday suit

noun
1.
(informal, jocular) a state of total nakedness, as at birth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for birth-day suit

birthday suit

n.

first attested 1730s, but probably much older. The notion is the suit of clothes one was born in, i.e., no clothes at all. Cf. Middle English mother naked "naked as the day one was born;" Middle Dutch moeder naect, German mutternackt.

Online Etymology Dictionary, © 2010 Douglas Harper
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birth-day suit in Culture

birthday suit definition


To be “in one's birthday suit” is to be completely naked (as people are at birth).

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang definitions & phrases for birth-day suit

birthday suit

noun phrase

What one is wearing when completely nude; the state of nakedness: Naked as a jaybird, with nothing on over his birthday suit (1730s+)


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Idioms and Phrases with birth-day suit

birthday suit

Nakedness, as in The doorbell rang, and here I was in my birthday suit. In 18th-century Britain this term originally referred to the clothes one wore on the king's birthday. Later it was jocularly transferred to bare skin, alluding to the condition of a newborn baby.
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Difficulty index for birthday suit

Few English speakers likely know this word

Word Value for birth

10
10
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