d-back [adjective] [informal] - relaxed in manner and character; not tending to get anxious about other people's behaviour or things that need to be doneI've never seen her worried or anxious in any way - she's so laid-back.For an office it's fairly laid-back - you can choose your own hours and which days you want to work.He's got a laid-back attitude to timetables and schedules.
LAI
Meaning of LAI in English
Cambridge English vocab. Кембриджский английский словарь. 2012