Answer:

interrupt

Answer	Crossword Clue
INTERRUPT	Be impolite, in a way
INTERRUPT	Butt in
INTERRUPT	Discontinue

INTERRUPT	Break the continuity.
INTERRUPT	Break in upon.
INTERRUPT	Speak out of turn.

Crossword

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