effortless

1. Requiring or apparently requiring no effort (synset 300841835)
   "the swallows glided in an effortless way through the busy air"
   also: easy - posing no difficulty; requiring little effort
   similar to:

   • facile - performing adroitly and without effort
   • unforced, unstrained - not resulting from undue effort; not forced
2. Not showing effort or strain (synset 300753353)
   "a difficult feat performed with casual mastery"; "careless grace"
   similar to: easy - posing no difficulty; requiring little effort
   same as: casual

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