Improbable unlucky Synonyms

Definitions for Improbable


  • (adjective) not likely to be true or to occur
  • (adjective) having a probability too low to inspire belief
  • (adjective) too improbable to admit of belief

Synonyms for phrase

IU abbreviation

IU is an abbreviation for Improbable Unlucky
What does IU stand for?
IU stands for "Improbable Unlucky"

Definitions for Unlucky


  • (adjective) having, prone to, or marked by bad luck
  • (adjective) of a kind to cause great distress
  • (adjective) having or bringing misfortune