un constraint (noun) ease: facility, freedom
Sinonime: adroitness, affability,
aplomb,
breeze, child's play,
cinch, cleverness,
composure,
dexterity,
dispatch, duck soup, easygoingness,
efficiency, effortlessness,
expertise, expertness,
familiarity,
flexibility, fluency, informality, insouciance,
knack,
liberty, naturalness, nonchalance,
poise, pushover, quickness,
readiness, relaxedness,
setup,
simplicity, skillfulness, smooth sailing, smoothness,
snap, unaffectedness, unconstraint, unreservedness
Antonime: difficulty,
effort,
inhibition, perplexity,
restriction