automatic blind casual causeless chance compulsive conditioned forced gut haphazard ill-advised ill-considered ill-devised impulsive inadvertent indeliberate instinctive involuntary mechanical purposeless random reflex reflexive snap spontaneous unadvised unanticipated uncalculated unconscious unconsidered undeliberate undeliberated undesigned undevised unexpected unforeseen unguarded unguided unintended unlooked-for unmeant unmeditated unplanned unpremeditated unprompted unpurposed unstudied unthinking unthought unthought-of unwilled unwilling unwitting