Meaning of “blame” - Learner’s Dictionary

blame

verb [ T ] uk us /bleɪm/

B1 to say or think that someone or something is responsible for something bad that has happened:

Many people blame him for Tony's death.
Poor housing is to blame for many of their health problems.
They apologized for the delay and blamed it on technical problems.
I don't blame him/them/you, etc

used to say that you understand and accept the reason for what someone is doing:

"I think I'll go home early." "I don't blame you - you look really tired."

(Definition of “blame verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)