Of or relating to an event in which all outcomes are equally likely, as in the testing of a blood sample for the presence of a substance, Going at random or by chance; done or made at hazard, or without settled direction, aim, or purpose; hazarded without previous calculation; left to chance; haphazard, mathematics Of or relating to probability distribution, noun_ Distance to which a missile is cast; range; reach, A continuous flow of words; a harangue, A roving motion; course without definite direction; want of direction, rule, or method; hazard; chance; -- commonly used in the phrase at random, that is, without a settled point of direction; at hazard