1) Coarse 2) Degraded 3) Disreputable 4) Disreputable or sordid 5) Far from reputable 6) Hardly reputable 7) Hardly wholesome 8) Less pleasing 9) Less presentable 10) Less than reputable 11) Like a red-light district 12) Like some underbellies 13) Morally degraded 14) Not pleasant 15) Not reputable Found on https://www.crosswordclues.com/clue/seamy
Seam'y adjective Having a seam; containing seams, or showing them. 'Many a seamy scar.' Burns. « Everything has its fair, as well as its seamy , side.» Sir W. Scott. Found on http://www.encyclo.co.uk/webster/S/49
seedyadjective morally degraded; `a seedy district`; `the seamy side of life`; `sleazy characters hanging around casinos`; `sleazy storefronts with...dirt on the walls`- Seattle Weekly; `the sordid details of his orgies stank under his very nostrils`- Jam... Found on https://www.encyclo.co.uk/local/20974