careless laid-back negligent pleasant uncareful
cheerful effervescent heartsome jovial
casual conversational exciting gentle informal little mildly mild minor neat petit quick slight small soft thrilling
animated corky fresh gamy sturdy swell upbeat
besotted canned drunken inebriate looping
easy incurious insensible insouciant matter-of-fact pococurante unmindful unobserving
cheerfully convivial elevated gaiety good-natured high-spirited jocund merrily pert up-beat venturesome volatile