lowlife UK /ˈləʊlaɪf/US /ˈloʊlaɪf/noun 3adjective 2forms 4 noun3 •(offensive) An untrustworthy, despicable, disreputable, or otherwise immoral person, especially one suspected of being a criminal.They say all the lowlifes used to hang out at the docks and plot their despicable crimes, before being elected to public office. •(offensive) A person who is rebuked by their community for their behavior. •(offensive) A person of low socio-economic status. adjective2 •Lacking morality. •Seemingly mischievous and troublesome to society. formslowlifes · lowlives · more lowlife · most lowlife