жен. insouciance, placidity, serenity
безмятежн|ость - ж. serenity, tranquillity, placidity
~ый serene, placid, unruffled
~ый покой unruffled serenity, undisturbed tranquillity
~ый сон tranquil/untroubled slumber
~ое детство unruffled childhood
жен. insouciance, placidity, serenity
безмятежн|ость - ж. serenity, tranquillity, placidity
~ый serene, placid, unruffled
~ый покой unruffled serenity, undisturbed tranquillity
~ый сон tranquil/untroubled slumber
~ое детство unruffled childhood
Большой Русско-Английский словарь. New big Russian-English dictionary. 2012