Definition of faults:
(n) :
(typically uncountable) Culpability; the responsibility for a blameworthy event.
(n) :
A defect, imperfection, or weakness; more severe than a flaw.
(n) :
A mistake or error.
(n) :
(morality) A failing of character; less severe than a vice.
(n) :
A minor offense.
(v) :
(transitive) To criticize, blame or find fault with something or someone.