adverb taking the 'to' particle, noun or participle which takes 'suru'
Describes a state of being completely unworried and comfortable, often with a slightly leisurely or easygoing nuance. Used adverbially with と or as a する-verb.
休日は家でのうのうと過ごすのが好きだ。
I like to spend my days off relaxing carefreely at home.
He's taking it easy even though exams are coming up.