Answer: baulking

AnswerCrossword Clue
baulkingMiss or refuse (a chance or invitation)
baulkingBAULK, to refrain from proceeding, also BALK, BAUK
baulkingThwart or hinder (a plan or person)
baulking(of a pitcher) Make an illegal motion, penalized by an advance of the base runners
baulkingHesitate or be unwilling to accept an idea or undertaking
baulking(of a horse) Refuse to go on
baulkingPrevent a person or animal from having (something)