The Open Dictionary

effing

adjective

UK/ˈef.ɪŋ/
US/ˈef.ɪŋ/

Definitions of effing adjective

  1. Before noun

    Used to emphasize an expression, potentially causing offense.

    • He is such an effing troublemaker!

    • This is such an effing difficult problem!

    • I never want to see that effing thing again!