Blame

to hold responsible; find fault with; censure:
I don’t blame you for leaving him.
to place the responsibility for (a fault, error, etc.) (usually followed by on):
I blame the accident on her.
Informal. blast; damn (used as a mild curse):
Blame the rotten luck.
an act of attributing fault; censure; reproof:
The judge said he found nothing to justify blame in the accident.
responsibility for anything deserving of censure:
We must all share the blame for this deplorable condition.
to blame, at fault; censurable:
I am to blame for his lateness.
Contemporary Examples

Alabama Coach Nick Saban’s Folly: Great Coaches Protect Their Players Stuart Stevens December 1, 2013
A Damascus Whodunit: Syrian Bombings Kill Dozens Mike Giglio November 27, 2012
The Single Lesson of Mumbai Meenakshi Ganguly January 3, 2009
Murdoch’s Next Scandal Could Be Computer Hacking Mike Giglio February 20, 2012
Mr. Smith’s Insane Cousins Go to Washington Michael Tomasky December 20, 2012

Historical Examples

The Eugenic Marriage, Vol 2 (of 4) W. Grant Hague
Brave and Bold Horatio Alger
Black Beauty Anna Sewell
The Imaginary Invalid Molire
The Adventures of Harry Richmond, Complete George Meredith

noun
responsibility for something that is wrong or deserving censure; culpability
an expression of condemnation; reproof
be to blame, to be at fault or culpable
verb (transitive)
(usually foll by for) to attribute responsibility to; accuse: I blame him for the failure
(usually foll by on) to ascribe responsibility for (something) to: I blame the failure on him
to find fault with
v.
n.
see:

lay (the blame) on
to blame