delinquent noun [C]. âº a âperson, usually âyoung, who âbehaves in a way that is âillegal or not âacceptable to most âpeople: âjuvenile delinquents.
Probably the major advantage of walking upright was that it freed the hands to use tools and carry (the pray). Another advantage is seeing further than on four legs, without the need to stop walking and raising oneself for a little while to look around ( like some animals do). Comments. Report.
The clearing of forests drove a need to descend from the trees and walk upright (bipedal) - offering the advantages of faster speed over ground and a better vantage point to survey the surroundings whilst freeing the hands to carry objects or forage for food.