Re: Bug#124757: parsable vs. parseable; Debian Bug #124609; Anagrams . parables, sparable
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. having a defect or defects; imperfect; faulty.
A defective title, or a title defect, basically means that the title is not marketable. In the context of title to a piece of real estate, a defective title usually means that the land being sold by a party claiming to have good title is actually owned by someone else.