lousy adj 1: very bad; "a lousy play"; "it's a stinking world" [syn: {icky}, {crappy}, {rotten}, {shitty}, {stinking}, {stinky}] 2: infested with lice; "burned their lousy clothes" 3: vile; despicable; "a dirty (or lousy) trick"; "a filthy traitor" [syn: {dirty}, {filthy}] [also: {lousiest}, {lousier}] lousier See {lousy}