Bohemian affable airy blase breezy careless casual common cordial cursory devil-may-care disregardant disregardful easy easygoing familiar flippant folksy forgetful free and easy gracious haymish heedless homely homey inconsiderate indifferent informal insouciant irregular lackadaisical lazy loose low-pressure natural nonchalant oblivious offhand offhanded perfunctory plain reckless regardless relaxed respectless simple sociable tactless thoughtless unaffected unassuming unceremonious unconcerned unconstrained unconventional undiplomatic unfussy unheedful unheeding unmindful unofficial unprepared unready unreserved unsolicitous unstudied untactful unthinking