Blue undershirt Synonyms

Blue replaced

Definitions for Blue


  • (adjective) depicting or referring to sexual matters in a way that is unacceptable in polite society
  • (adjective) feeling unhappiness
  • (adjective) hinting at or intended to call to mind matters regarded as indecent

Synonyms for phrase

BU abbreviation

BU is an abbreviation for Blue Undershirt
What does BU stand for?
BU stands for "Blue Undershirt"

Undershirt replaced

Definitions for Undershirt


  • (noun) a collarless men's undergarment for the upper part of the body