Definition of "frictionless"

frictionless

adjective
not comparable
1. Of or pertaining to lack of friction.
  Quotations
  In the decade ahead, the story must be one of increasingly frictionless travel.
  2021 May 19, Paul Stephen, “Our railway in RAIL's next 40 years: Jacqueline Starr”, in RAIL, number 931, page 40
2. (finance) Of a transaction or trade, without tariffs and non-tariff barriers.