Nitpicking is a term, first used in 1956, that describes the action of giving too much attention to unimportant detail. A person who nitpicks is termed as a nitpicker. The terminology originates from the common act of manually removing nits (the eggs of lice, generally head lice) from another person's hair.
What does nitpicking mean?
Nit-picky is an informal way to describe someone who is overly focused on tiny, unimportant details, especially when criticizing something. It can also be used to describe such criticism. Nitpick (or nit-pick) is a verb meaning to point out the very minor flaws or mistakes in something, or to criticize it in this way.
What is nitpicking in a relationship?
Nitpicking means giving attention to little details, trivial issues, or irrelevant things. Nitpicking in relationships is often done condescendingly and annoyingly. It involves one partner finding fault with the other person and blaming them for trivial issues they can otherwise overlook.