Silly in-joke Synonyms

Definitions for Silly


  • (adjective) lacking in seriousness or maturity
  • (adjective) showing or marked by a lack of good sense or judgment
  • (adjective) so foolish or pointless as to be worthy of scornful laughter

Synonyms for phrase

SI abbreviation

SI is an abbreviation for Silly In-joke
What does SI stand for?
SI stands for "Silly In-joke"

In-joke replaced

Definitions for In-joke


  • (noun) a joke that is appreciated only by members of some particular group of people