concurrently

concurrent +‎ -ly

concurrently (not comparable)

1. In a concurrent manner; at the same time.
   • 1934 February, H. C. Casserley, “A Veteran Midland Locomotive”, in Railway Magazine, page 86:

     For the next four years Mr. Johnson continued building 2-4-0 express passenger engines, thus continuing the Kirtley practice, but from 1882 onwards he built all his express engines with the 4-4-0 or the 4-2-2 wheel arrangement, the two types being put in service concurrently between the years of 1887 and 1900.

   • 1960 February, “The dieselised St. Pancras suburban service”, in Trains Illustrated, page 95:

     Concurrently with the St. Pancras-Bedford service, diesel trains have now taken over that between Kentish Town and Barking, on an even-interval basis at half-hourly intervals.

• See also Thesaurus:simultaneously