idyllic UK /ɪˈdɪlɪk/US /aɪˈdɪlɪk/adjective 2noun 1forms 3 adjective2 •Extremely happy, peaceful, or picturesque.My fellow-creatures, from whom I was thus separated, began to assume idyllic virtue and beauty in my memory. — 1896 •Of or pertaining to idylls. noun1 •An idyllic state or situation. (A substantive use of the adjective)He could retire to the idyllic with the knowledge that he had not been wanting when Romance called. — 1922 formsidyllics · more idyllic · most idyllic