adjective
- occurring while under way: the underway activities on a cruise ship.
- under way(def 1).
adv.1749, of ships, “having begun to move,” from under + way. In reference to projects, activities, etc., it is attested from 1935.
adjective
adv.1749, of ships, “having begun to move,” from under + way. In reference to projects, activities, etc., it is attested from 1935.