American English

Definition of say-so noun from the Oxford Advanced American Dictionary

 

say-so

 noun
noun
 
[singular] (informal)
 
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  • permission that someone gives to do something Nothing could be done without her say-so. He has the final say-so on these matters (= the right to make decisions).
  • Idioms
    on somebody's say-so
     
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    based on a statement that someone makes without giving any proof He hired and fired people on his partner's say-so.
    See the Oxford Advanced Learner's Dictionary entry: say-so