Definition of underway
(Entry 1 of 2)
: occurring, performed, or used while traveling or in motion underway replenishment of fuel
variants: or less commonly under way
Definition of underway (Entry 2 of 2)
1 : in motion : not at anchor or aground The ship was underway at dawn.
2 : into motion from a standstill The train should be underway again soon.
3 : in progress : happening now Preparations for the celebration are already underway. A search is underway. The season got underway with a bang .
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