painlessly

From painless +‎ -ly.

painlessly (comparative more painlessly, superlative most painlessly)

1. In a painless manner.
   • 2000, JG Ballard, Super-Cannes, Fourth Estate, published 2011, page 141:

     The marina was filled with yachts and powerboats, sleek multihulls fitted with the latest satellite-navigation gear that would steer the owners painlessly towards similar luxury berths at Portofino and Bandol.