[ hwahy, wahy ]
/ ʰwaɪ, waɪ /
for what? for what reason, cause, or purpose?: Why did you behave so badly?
for what cause or reason: I don't know why he is leaving.
for which; on account of which (usually after reason to introduce a relative clause): the reason why he refused to go.
the reason for which: That is why he returned.
noun, plural whys.
a question concerning the cause or reason for which something is done, achieved, etc.: a child's unending hows and whys.
the cause or reason: the whys and wherefores of a troublesome situation.
(used as an expression of surprise, hesitation, etc., or sometimes a mere expletive): Why, it's all gone!
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Origin of why
before 900; Middle English; Old English hwī, hwȳ, instrumental case of hwæt what; cognate with Old Norse hvī
usage note for why
Definition for why (2 of 2)
[ hwahyz, wahyz ]
/ ʰwaɪz, waɪz /
contraction of why is: Why's dinner so late?
usage note for why's
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for why
/ (waɪ) /
- for what reason, purpose, or cause?why are you here?
- (used in indirect questions)tell me why you're here
for or because of whichthere is no reason why he shouldn't come
noun plural whys
(usually plural) the reason, purpose, or cause of something (esp in the phrase the whys and wherefores)
an introductory expression of surprise, disagreement, indignation, etcwhy, don't be silly!
Word Origin for why
Old English hwī; related to Old Norse hvī, Gothic hveileiks what kind of, Latin quī
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