Hindsight critic refers to someone who only sees the faults or mistakes of a situation in hindsight, after the event has already occurred. There are several synonyms that can be used to describe this type of person, including Monday morning quarterback, armchair critic, rear-view mirror critic, and after-the-fact analyst. These phrases allude to the idea that the person is offering their opinion after the situation has already played out, rather than being involved in the decision-making process at the time. These terms are often used pejoratively to criticize someone who is being overly critical without the benefit of insight or experience.