Impenetrable bluff Synonyms

Definitions for Impenetrable


  • (adjective) impossible to get through or into
  • (adjective) being beyond one's powers to know, understand, or explain
  • (adjective) impossible to understand

IB abbreviation

IB is an abbreviation for Impenetrable Bluff
What does IB stand for?
IB stands for "Impenetrable Bluff"

Definitions for Bluff


  • (adjective) being or characterized by direct , brief , and potentially rude speech or manner
  • (noun) a steep wall of rock , earth , or ice
  • (verb) to cause to believe what is untrue