Nouns

(n)ragamuffin, tatterdemaliona dirty shabbily clothed urchin

Adjectives

(s)tattered, tatterdemalionworn to shreds; or wearing torn or ragged clothing“a man in a tattered shirt”, “the tattered flag”, “tied up in tattered brown paper”, “a tattered barefoot boy”, “a tatterdemalion prince”
(s)bedraggled, broken-down, derelict, dilapidated, ramshackle, tatterdemalion, tumble-downin deplorable condition“a street of bedraggled tenements”, “a broken-down fence”, “a ramshackle old pier”, “a tumble-down shack”