Pronunciation IPA (key): /æft/ Audio (US)(file) Preposition Prepositionaft (nautical) At, close to, or towards the rear of a boat or plane. Synonyms: astern and back Antonyms: fore and forward They spent their evening on the ship's deck. One stood fore, the other aft. She could see land through the aft windows. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads