Why

Adverb

 * 1) For what cause, reason, or purpose.
 * Why did you do that?

Synonyms

 * how come

Conjunction

 * 1) The reason that.
 * I don’t know why he did that.

Noun

 * 1) The reason.
 * A good article will cover the who, the what, the when, the where, the why and the how.

Synonyms

 * wherefore

Interjection

 * 1) Exclamation of mild surprise.
 * Why, I think it would work fine!

Thesaurus
Chinese puzzle, argument, baffling problem, brain twister, conundrum, crossword puzzle, crux, enigma, enigmatic question, excuse, explanation, floorer, for which, for why, from what cause, ground, how come, jigsaw puzzle, knot, knotty point, mind-boggler, mystery, mystification, nut to crack, on what account, perplexed question, perplexity, poser, pourquoi, pretense, pretext, problem, proof, puzzle, puzzlement, puzzler, question, question mark, rational ground, rationale, reason, reason for, reason why, riddle, sixty-four dollar question, stated cause, sticker, stumper, the big idea, the idea, the whatfor, the wherefore, the why, tough proposition, underlying reason, vexed question, what for, wherefore, whyever, whyfor

Etymology
< hwȳ.

Adverb

 * Afrikaans: waarom
 * Alabama: sáhmi
 * Albanian: pse, përse
 * American Sign Language:
 * Arabic: لماذا
 * Egyptian: (līh)
 * Levantine: (līš)
 * Armenian: ,
 * Old Armenian:, , , , , ,
 * Azeri: niyə, nə üçün
 * Belarusian: чаму
 * Bengali: কেন
 * Bikol: ta-no ta
 * Bosnian:
 * Breton: perak
 * Bulgarian:
 * Catalan: per què
 * Cebuano: ngano
 * Cherokee: ᎦᏙᏃ (gadono)
 * Chickasaw: katimi ta
 * Chinese:
 * Cantonese: 點解 (dímgáai), 為乜 (wạimāt)
 * Mandarin: ,
 * Croatian:
 * Czech:
 * Danish:
 * Dutch:
 * Esperanto:
 * Estonian:
 * Faroese:
 * Finnish:
 * French:
 * Georgian: რატომ, რისთვის
 * German:, , ,
 * Greek:, διατί, για ποιο λόγο
 * Hawaiian: aha
 * Hebrew: למה
 * Hiligaynon: ngaa
 * Hindi: क्यों, क्यूँ
 * Hungarian:
 * Ibanag: ngatta
 * Icelandic: af hverju, hví
 * Ido: pro quo
 * Ilocano: apay
 * Indonesian: ,
 * Italian:
 * Japanese: 何故, なぜ, なんで, どうして
 * Kapampangan: obakit, bakit, obat, ot
 * Khmer: ហេតុអ្វី
 * Korean: 왜
 * Kurdish: ,
 * Lao:
 * Korean: 왜
 * Kurdish: ,
 * Lao:


 * Latin:, quare
 * Latvian: kapec, kādēļ
 * Lithuanian:
 * Macedonian: зошто
 * Malay: ,
 * Maltese: ghaliex
 * Middle French:
 * Mongolian: яагаад
 * Navajo:
 * Neapolitan: pecché
 * Norwegian:
 * Bokmål: hvorfor
 * Nynorsk: korfor, kvifor
 * Ojibwe: aaniish, aaniin, aanishwin
 * Pangasinan: akin
 * Persian: چرا
 * Pitjantjatjara: nyaaku
 * Polish: ,
 * Portuguese:
 * Romanian: de ce, pentru ce
 * Russian:
 * Scottish Gaelic: carson
 * Serbo-Croatian:
 * Cyrillic: зашто
 * Roman: zašto
 * Sinhalese: ඇයි
 * Slovak: prečo
 * Slovene:
 * Spanish:
 * Swahili: kwaje
 * Swedish:
 * Tagalog: bakit
 * Tausug: mayta'
 * Telugu: ఎందుకు (emduku)
 * Thai: เหตุใด, เหตุไฉน, เหตุไร, เพราะเหตุไร, เพราะเหตุอะไร
 * Turkish: ,
 * Ukrainian: чому
 * Urdu: کیوں
 * Uzbek:
 * Vietnamese:, ,
 * Volapük: kikodo
 * Waray-Waray: kay-ano
 * Welsh:
 * West Frisian: wêrom
 * Yiddish: למאַי, פֿאַרוואָס
 * Turkish: ,
 * Ukrainian: чому
 * Urdu: کیوں
 * Uzbek:
 * Vietnamese:, ,
 * Volapük: kikodo
 * Waray-Waray: kay-ano
 * Welsh:
 * West Frisian: wêrom
 * Yiddish: למאַי, פֿאַרוואָס

Conjunction

 * Armenian: ,
 * Bosnian:
 * Catalan: perquè
 * Croatian:
 * Danish:
 * Dutch: waarom, waarvoor (slang; wrong grammar used)
 * Finnish:
 * French:
 * German:
 * Greek: γιατί (yatí), διατί (ðiatí), για ποιο λόγο (ya pço lógo), διά ποίον λόγον (ðiá píon lógon)
 * Hebrew: למה (láma); מדוע (madu‘a)
 * Hungarian:
 * Icelandic:
 * Italian:
 * Japanese: 如何して (どうして, doshite)


 * Kurdish: ,
 * Latin:
 * Latvian: kādēļ
 * Middle French:
 * Norwegian:
 * Bokmål:
 * Nynorsk: korfor, kvifor
 * Polish: ,
 * Portuguese:
 * Russian:
 * Serbian:
 * Cyrillic: зашто
 * Roman: zašto
 * Slovene:
 * Spanish: por que, por lo que
 * Swedish:

Noun

 * Armenian:
 * Bulgarian:
 * Catalan: perquè
 * Dutch:
 * Greek:, διατί
 * Hebrew: למה (láma); מדוע (madu‘a)
 * Hungarian:
 * Icelandic:
 * Indonesian: ,
 * Italian:
 * Japanese: 何故 (なぜ, naze), どうして (dōshite)


 * Latin:
 * Latvian: kādēļ
 * Neapolitan: pecché
 * Norwegian:
 * Polish: ,
 * Portuguese:
 * Romanian: pentru ce
 * Russian:
 * Spanish:
 * Swedish:
 * Uzbek: sabab

Interjection

 * Bulgarian: ей, хей
 * Dutch: ,
 * French:, ,


 * Icelandic:
 * Norwegian:
 * Russian: ого,

Derived terms

 * whyever
 * why in God's name
 * why not


 * why on Earth
 * whys and wherefores
 * why the Devil


 * why the dickens
 * why the fuck

Anagrams

 * hwy.