Parenthetically, Perfunctorily, Perfunctory, Plain, Plainly, Promiscuously, Reckless, Recklessly, Regardless, Relaxed, Simple, Simply, Slapdash, Sloppily, Smooth, Sociable, Stopgap, Superficial, Superficially, Tactless, Tactlessly, Thoughtless, Thoughtlessly, Unaffected, Unaffectedly, Unassuming, Unceremoniously, Unconcerned, Unconstrained, Unconventional, Undiplomatic, Ungracious, Uninterested, Unofficial, Unofficially, Unpremeditated, Unprepared, Unready, Unrehearsed, Untactful, Unthinking, Unthinkingly, Unwarily, Bohemian, Abrupt, Affable, Airily, Airy, Aloof, Anyhow, Blase, Brusque, Careless, Carelessly, Casual, Casually, Cavalier, Clumsily, Cool, Cordial, Cursorily, Cursory, Curt, Distant, Easy, Easygoing, Familiar, Familiarly, Flippant, Forgetful, Glib, Gracious, Haphazardly, Heedless, Heedlessly, Homely, Impromptu, Improvise, Improvised, Inattentively, Incidentally, Inconsiderate, Inconsiderately, Indifferent, Informal, Informally, Insouciant, Irregular, Lackadaisical, Lazy, Loose, Makeshift, Messily, Natural, Naturally, Nonchalant, Oblivious