-larger amounts or for longer than intended-desire or failed effort to cut down or control-obtaining, using, recovering takes a lot of time-craving, desire, urge to use-impairment at work, school, home-continued use despite interpersonal problems-social, occupational, recreational activities reduced-physically hazardous situations (Driving)-use despite physical or psychological problems-tolerance: need more, less effect-withdrawal syndrome, avoidance through related drug