relaxed
adjective
rɪˈlækst 
rɪˈlækst 
1 relaxed (about something) (of a person) calm and not anxious or worriedHe appeared relaxed and confident before the match.She had a very relaxed manner.I'm feeling more relaxed about the future now.2 (of a place) calm and informala family-run hotel with a relaxed atmosphere3 relaxed (about something) not caring too much about discipline or making people follow rulesSynonym
laid-backI take a fairly relaxed attitude towards what the kids wear to school.