Answer: belabors

AnswerCrossword Clue
BELABORSOverworks, as a point
BELABORSDrubs.
BELABORSPresses to absurd lengths
BELABORSAssails
BELABORSBeats a dead horse
BELABORSDrubs
belaborsAttack or assault (someone) physically or verbally
belaborsBELABOR, to assail verbally, also BELABOUR
belaborsArgue or elaborate (a subject) in excessive detail