Definitions from Wiktionary (why not)
▸ adverb: Why is that not true?
▸ adverb: (rhetorical) Used to state that one has no objection to and approves of a proposal.
▸ adverb: (rhetorical) Used to introduce a proposal.
Why I Am Not a Christian,
Emily's Reasons Why Not,
Why Not Productions,
Why I Am Not a Muslim,
why you are not reaching your goals,
more...
▸ Words similar to why not
▸ Usage examples for why not
▸ Idioms related to why not
▸ Wikipedia articles (New!)
▸ Words that often appear near why not
▸ Rhymes of why not
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▸ adverb: Why is that not true?
▸ adverb: (rhetorical) Used to state that one has no objection to and approves of a proposal.
▸ adverb: (rhetorical) Used to introduce a proposal.
Similar:
not really,
maybe,
whyever,
none,
undemonstrably,
neither,
nonlogically,
unprovably,
noncatalytically,
indiscoverably,
more...
Opposite:
Phrases:
▸ Words similar to why not
▸ Usage examples for why not
▸ Idioms related to why not
▸ Wikipedia articles (New!)
▸ Words that often appear near why not
▸ Rhymes of why not
▸ Invented words related to why not