Synonyms of why

why 1 of 2

interjection

as in oh

how surprising, doubtful, or unbelievable

why, what a strange thing to say!

why, that's not possible!

Synonyms & Similar Words

• oh
• no
• what
• hey
• well
• gee
• indeed
• ha
• hello
• ah
• my word
• aha
• pshaw
• come on
• there
• fie
• pooh
• fiddlesticks
• lo
• gee whiz
• phooey
• ugh
• the devil
• oops
• (the) deuce
• the dickens
• gad
• egad
• gadzooks
• zounds

why

2 of 2

noun

1

as in reason

something (as a belief) that serves as the basis for another thing

asked the whys behind the surprising decision

Synonyms & Similar Words

• reason
• motive
• grounds
• subject
• wherefore
• cause
• authority
• consideration
• account
• impetus
• incentive
• occasion
• stimulus
• inspiration
• antecedent
• instigation

2

as in mystery

something hard to understand or explain

how one decides that a certain person is "the one" is one of the great whys of life

Synonyms & Similar Words

• mystery
• enigma
• conundrum
• puzzle
• problem
• riddle
• secret
• puzzlement
• closed book
• matter
• mystification
• challenge
• head-scratcher
• perplexity
• case
• trouble
• poser
• stumper
• brainteaser
• knot

Example Sentences

Recent Examples of why

Interjection

Why, oh why, do the Rangers keep throwing away almost certain victories in the final minutes of playoff games? — Filip Bondy, New York Times, 30 Apr. 2017

Noun

To use this tool requires bravery, vulnerability and honest insights into your why. — Joanna Horton McPherson, Forbes.com, 7 May 2026

Searching for a reason The time since, with no other winners in the city, has left plenty of room for those in the business to guess at a why. — Dallas Morning News, 29 Mar. 2026