on the spot prepositional phrase 3on-the-spot adjective 1 prepositional phrase3 •In a particular place.This report comes from our man on the spot in Gaza.We exercised by jumping up and down on the spot. •At that very moment.He liked the house, so he made an offer on the spot. •Having to answer or decide without warning or preparation.All the sudden questions put him on the spot and he had to think quickly. on-the-spot adjective1 •At the scene; in the right place at the exact moment.The hikers were issued with an on-the-spot fine for littering.Now, over to our man in Tokyo for an on-the-spot report.