Air trans is a term that refers to the transportation of people, goods, and cargo by air. However, when it comes to antonyms for this term, several words come to mind, such as ground transportation, land transportation, or sea transportation, which all involve moving people, goods, or cargo in different ways than the air. Ground transportation involves the use of vehicles such as cars, buses, or trains to move people and goods on the ground. Sea transportation involves the use of ships, boats, or other types of watercraft to move goods and people across the ocean. Each antonym has its advantages and disadvantages, depending on a variety of factors such as distance, cost, and speed.