A small one can reduce a baseball card's value by 50%, 4 letters
A tragic hero has one, 4 letters
Chink in one's armor, 4 letters
Chink in the armor, say, 4 letters
Chip in a dish, e.g., 4 letters
Coloration in a diamond, e.g., 4 letters
Diamond imperfection, 4 letters
Diamond irregularity, 4 letters
Fly in the ointment, 4 letters
It can make a 10 a 9, 4 letters
It might be only a scratch, 4 letters
Oedipus' arrogance, e.g., 4 letters
Scratch on a diamond, e.g., 4 letters
Scratch on a gem, e.g., 4 letters
Scratch or dent, e.g., 4 letters
An imperfection in a device or machine, 4 letters
Defect or weakness in a peron's character, 4 letters
Containing cracks, maybe, 6 letters
Bad Tour de France cyclist?, 12 letters
Subject of The Police Academy movies?, 15 letters
Perfect female, untamed (8), 8 letters
Perfection's false, with anarchy ensuing (12), 12 letters
The state of being without a flaw or defect, 12 letters
Newton's oversight?, 13 letters
Lack of complete trust that kept him from the Promised Land?, 11 letters
Antiques appraisers look for them, 5 letters
Blemishes or foibles, 5 letters
Loopholes, for the most part, 5 letters
Parts that need fixing, 5 letters