It is actually 2 words - under way - and was originally a nautical term meaning that a ship had begun its journey.
Likely to have been of early British Naval origin.
Over time, it has also become a description of an event having started.
Synonyms for Underway
On this page, you will find 30 slang terms related to Underway. Some of the top words include: second, what the fuck, Shelvey, alpha and omega, chumpy, and 25 more.
