51Թ

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View synonyms for

why

[ wahy, hwahy ]

adverb

  1. for what? for what reason, cause, or purpose?:

    Why did you behave so badly?



conjunction

  1. for what cause or reason:

    I don't know why he is leaving.

  2. for which; on account of which (usually after reason to introduce a relative clause):

    the reason why he refused to go.

  3. the reason for which:

    That is why he returned.

noun

plural whys.
  1. a question concerning the cause or reason for which something is done, achieved, etc.:

    a child's unending hows and whys.

  2. the cause or reason:

    the whys and wherefores of a troublesome situation.

interjection

  1. (used as an expression of surprise, hesitation, etc., or sometimes a mere expletive):

    Why, it's all gone!

why

/ ɲɪ /

adverb

    1. for what reason, purpose, or cause?

      why are you here?

    2. ( used in indirect questions )

      tell me why you're here

“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

pronoun

  1. for or because of which

    there is no reason why he shouldn't come

“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

noun

  1. usually plural the reason, purpose, or cause of something (esp in the phrase the whys and wherefores )
“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

interjection

  1. an introductory expression of surprise, disagreement, indignation, etc

    why, don't be silly!

“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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Usage Note

See reason.
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51Թ History and Origins

Origin of why1

First recorded before 900; Middle English; Old English hwī, hwȳ, instrumental case of æ what; cognate with Old Norse ī
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51Թ History and Origins

Origin of why1

Old English ī; related to Old Norse ī, Gothic hveileiks what kind of, Latin ī
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Example Sentences

Examples have not been reviewed.

When asked in his police interviews why he had not called the emergency services he said he waited because of those circumstances.

From

The season shows just how important his graffiti becomes for a local community – and why people disagree so vehemently about what should happen after it's discovered.

From

But why are they in such poor health – and what can be done about it?

From

It is not clear why Louise was not told about this.

From

This is why the surreal stories about the US tariffing rarely visited islands only inhabited by penguins matter.

From

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