The word "lowlifes" is correct and usable in written English.
You can use it to describe people who lack moral integrity or behave in a disgraceful manner. For example, "The police cracked down on the lowlifes in the neighborhood who were dealing drugs."
Yet after night fall most any layover here, it seemed that they ended up cruising the bleak arterials of dismal L.A. backwaters, seeking out of some helpless fatality the company of lowlifes of opportunity.
Fink was reading a lot of Bukowski while he was writing the album and his influence can be seen in the numerous lowlifes that pop up.
Some lowlifes even posted their delight in her death, thankful that her children were spared the pain of being raised by such a 'selfish' woman.
Winston Churchill is reputed to have had an anchor tattooed on his arm, and his mother a snake tattoo around her wrist (but concealed by a special bracelet); but for most of the 20th century, the tattoo was mostly the mark of lowlifes, footpads, sentimental matelots, circus sideshow folk, prisoners anxious to assert their identity, and gangsters avid to announce their loyalty.
Meanwhile, Evan and Seth fall in with some pugnacious lowlifes having their own party.
Mary Annie had been sitting across from Paolo; when he was asked how he prepared for his roles as, well, such lowlifes (his calling was malfeasance, Iago the role he was rehearsing now), she had smiled into her plate.
Early on, after a fast, Oscar-nominated start as an altar boy accused of murdering a priest in "Primal Fear" (1996), Norton played cunning lowlifes in tough little pictures.
His happily rendered portraits of lowlifes, harridans, and sourballs added a distinctive, egalitarian note to the magazine's comic drawings, which up to that point had largely focussed on the diversions and rituals of the upper crust.
Like O'Neill's lowlifes, Ric refuses to believe that this existence is all that's on offer to him.
They were East End bullies who expanded their parish of intimidation to include night clubs in the West End, where lowlifes consorted with the well bred.
Too exhausted from their jobs and their kids to light each other up, they drive into Manhattan, hoping to rekindle their marriage, and wind up at a snooty new restaurant, where they claim the reservation of a no-show couple — a pair of lowlifes who are trying to blackmail a prominent gangster (Ray Liotta).
