'Frictionless' definitions:

Definition of 'frictionless'

From: WordNet
adjective
Lacking all friction; "a perpetual motion machine would have to be frictionless"

Definition of 'Frictionless'

From: GCIDE
  • Frictionless \Fric"tion*less\, a. Having no friction. [1913 Webster]

Synonyms of 'frictionless'

From: Moby Thesaurus