There are two possibilities that can cause your garage floor to be damp: 1  When warm, humid air comes in contact with a cold concrete slab, water vapor in the air can condense on the surface of the concrete in the same way that a glass with ice sweats in summer.
flaw, fault, defect - an imperfection in an object or machine; a flaw caused the crystal to shatter; if there are any defects you should send it back to the manufacturer. wart - an imperfection in someone or something that is suggestive of a wart (especially in smallness or unattractiveness)
The definition of defective is something or someone that is imperfect or that doesn't work properly. A door that does not latch correctly is an example of something that would be described as defective. 1  having a defect or defects; imperfect; faulty.  Gram.