The phrase "quick on the draw" usually means someone who is fast to react or respond. However, the opposite of this phrase could mean someone who is slow, lethargic or hesitant. Other antonyms for "quick on the draw" include dull, apathetic, indecisive, sluggish or unresponsive. If someone is not "quick on the draw," it could indicate a lack of alertness, agility or intelligence. It is often necessary to be quick on the draw in situations that involve decision-making or problem-solving. On the other hand, being too quick to react or respond can sometimes lead to hasty, careless or irrational action.