Serious loon Synonyms

Serious replaced

Definitions for Serious


  • (adjective) not joking or playful in mood or manner
  • (adjective) having a matter of importance as its topic
  • (adjective) involving potential loss or injury

Synonyms for phrase

SL abbreviation

SL is an abbreviation for Serious Loon
What does SL stand for?
SL stands for "Serious Loon"

Loon replaced

Definitions for Loon


  • (noun) a person judged to be legally or medically insane
  • (noun) a stupid person
  • (noun) large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back ; related to the grebes