Legal Definition of unreasonably dangerous
: characterized by a hazard due to design, defect, or a failure to warn that would not be contemplated by an ordinary user of the product and that is not outweighed by utility impose strict liability on the manufacturer or seller of an unreasonably dangerous product that injures an ultimate user — see also products liability at liability 2b
Seen and Heard
What made you want to look up unreasonably dangerous? Please tell us where you read or heard it (including the quote, if possible).