Solid idea Synonyms

Solid replaced

Definitions for Solid


  • (adjective) based on sound reasoning or information
  • (adjective) having a consistency that does not easily yield to pressure
  • (adjective) having or consisting of a single color

Synonyms for phrase

SI abbreviation

SI is an abbreviation for Solid Idea
What does SI stand for?
SI stands for "Solid Idea"

Idea replaced

Definitions for Idea


  • (noun) something imagined or pictured in the mind
  • (noun) someone of such unequaled perfection as to deserve imitation
  • (noun) something that one hopes or intends to accomplish