why

[hwahy, wahy] Example Sentences Origin

why

[hwahy, wahy] adverb, conjunction, noun, plural whys, interjection
adverb
1.
for what? for what reason, cause, or purpose?: Why did you behave so badly?
conjunction
2.
for what cause or reason: I don't know why he is leaving.
3.
for which; on account of which (usually after reason to introduce a relative clause): the reason why he refused to go.
4.
the reason for which: That is why he returned.

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Why is always a great word to know.
So is flibbertigibbet. Does it mean:
a chattering or flighty, light-headed person.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
noun
5.
a question concerning the cause or reason for which something is done, achieved, etc.: a child's unending hows and whys.
6.
the cause or reason: the whys and wherefores of a troublesome situation.
interjection
7.
(used as an expression of surprise, hesitation, etc., or sometimes a mere expletive): Why, it's all gone!

Origin:
before 900; Middle English; Old English hwī, hwȳ, instrumental case of hwæt what; cognate with Old Norse hvī


See reason.

Example Sentences
  • To run for president, you need a compelling argument why voters should choose you.
  • No doubt you now understand why these linguistic mysteries have disturbed my sleep for the past couple of years.
  • There are lots of explanations for why customer service is so bad.
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Dictionary.com Unabridged

why's

[hwahyz, wahyz]
contraction of why is: Why's dinner so late?

See contraction.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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World English Dictionary
why (waɪ)
 
adv
1.  a.  for what reason, purpose, or cause?: why are you here?
 b.  (used in indirect questions): tell me why you're here
 
pron
2.  for or because of which: there is no reason why he shouldn't come
 
n , whys
3.  (usually plural) the reason, purpose, or cause of something (esp in the phrase the whys and wherefores)
 
interj
4.  an introductory expression of surprise, disagreement, indignation, etc: why, don't be silly!
 
[Old English hwī; related to Old Norse hvī, Gothic hveileiks what kind of, Latin quī]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

why
O.E. hwi, instrumental case (showing for what purpose or by what means) of hwæt (see what), from P.Gmc. *khwi (cf. O.S. hwi, O.N. hvi), from PIE *qwei, locative of *qwo- "who" (cf. Gk. pei "where"). As an interjection of surprise or to call attention to a statement, recorded from 1519.
Online Etymology Dictionary, © 2010 Douglas Harper
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