sleazy

Concise Oxford English Dictionary © 2008 Oxford University Press:
sleazy/ˈsliːzi/

▶adjective (sleazier, sleaziest)

• 1 sordid, corrupt, or immoral.

  ■ (of a place) squalid and seedy.

• 2 dated (of textiles and clothing) flimsy.

– derivatives
sleazily adverb,
sleaziness noun.

– origin C17: of unknown origin.