Sea invalid Synonyms

Definitions for Sea


  • (noun) the whole body of salt water that covers nearly three-fourths of the earth
  • (noun) a division of an ocean or a large body of salt water partially enclosed by land
  • (noun) turbulent water with swells of considerable size

Synonyms for phrase

SI abbreviation

SI is an abbreviation for Sea Invalid
What does SI stand for?
SI stands for "Sea Invalid"

Definitions for Invalid


  • (adjective) chronically or repeatedly suffering from poor health
  • (adjective) having no legal or binding force
  • (adjective) not being in agreement with what is true