Akademik

effortlessness
noun
the quality of requiring little effort
-

such effortlessness is achieved only after hours of practice

Ant: ↑effortfulness
Derivationally related forms: ↑effortless
Hypernyms: ↑ease, ↑easiness, ↑simplicity, ↑simpleness
Hyponyms: ↑facility, ↑readiness, ↑smoothness

Useful english dictionary. 2012.