Sonic proof Synonyms

Sonic replaced

Definitions for Sonic


  • (adjective) (of speed) having or caused by speed approximately equal to that of sound in air at sea level
  • (adjective) relating to audible sound

Synonyms for phrase

SP abbreviation

SP is an abbreviation for Sonic Proof
What does SP stand for?
SP stands for "Sonic Proof"

Definitions for Proof


  • (noun) something presented in support of the truth or accuracy of a claim
  • (noun) any factual evidence that helps to establish the truth of something
  • (noun) a formal series of statements showing that if one thing is true something else necessarily follows from it