1. (n.) Any waste thing or substance

2. (n.) Waste land or common land.

3. (n.) A profligate.

4. (n.) A neglected child; a street Arab.

5. (n.) Anything cast away as bad or useless, as imperfect bricks, china, etc.

Arab Bowery bum bad lot beach bum beachcomber beggar beggarly fellow big-time spender black sheep blackguard blighter bo budmash bum bummer caitiff castaway castoff derelict devil discard dissipater dogie drifter drunkard flotsam flotsam and jetsam foundling gamin gamine good-for-naught good-for-nothing guttersnipe hobo homeless waif human wreck idler jetsam junk knave lagan landloper lazzarone lecher libertine loafer losel lounger lowlife mauvais sujet mean wretch mucker mudlark no-good orphan pauvre diable piker pilgarlic poor creature poor devil prodigal prodigal son profligate ragamuffin ragman ragpicker rake rapscallion rascal refuse reject rip rogue roue rounder rubbish sad case sad sack scalawag scamp scapegrace scoundrel ski bum skid-row bum spend-all spender spendthrift squanderer stiff stray street Arab street urchin sundowner surf bum swagman swagsman tatterdemalion tennis bum tramp trash truant turnpiker urchin vag vagabond vagrant vaurien waif waifs and strays waster wastethrift worthless fellow wretch