Answer:

unfunny

Answer	Crossword Clue
UNFUNNY	Like a prank, to the pranked
UNFUNNY	Bad adjective for a comedian
UNFUNNY	Far from amusing

UNFUNNY	Like one who's bombing
UNFUNNY	Bombing at a comedy club

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.