say–so

noun \ˈsā-(ˌ)sō, ˈse-\

: a statement that is not supported by any proof

: permission that is given by a person who has authority

: the power to decide something

Full Definition of SAY-SO

a : one's unsupported assertion or assurance

b : an authoritative pronouncement <left the hospital on the say–so of his doctor>

: a right of final decision : say <has the ultimate say–so on what will be taught>

See say–so defined for English-language learners

See say-so defined for kids

1637

Next Word in the Dictionary: Say's phoebePrevious Word in the Dictionary: Say's LawAll Words Near: say-so

What made you want to look up say-so? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears