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Webster 1913 Edition

Adj.

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.

Adj.

Having a seam; containing seams or showing them.

seamy ‎(comparative seamier, superlative seamiest)

Sordid, squalid or corrupt.
- 2013, Sam Jones and Shiv Malik Lou Reed, lead singer of Velvet Undergound, dies aged 71, The Guardian Online
  Lou Reed, lead singer of the Velvet Underground, veteran chronicler of life's wilder, seamier and more desperate side and one of the most influential and distinctive songwriters of his generation has died at the age of 71.
- 1987, David Brin, The Uplift War, Phantasia Press
  She just hadn't been aware, having considered such tales rather seamy while growing up.
Having or showing a seam.