nitpick /ˈnɪt.pɪk/verb 3noun 1forms 3 verb3 •(figurative) To correct insignificant mistakes or find fault in unimportant details.Someone will invariably nitpick about any spelling error posted to the forums. •(no longer used) To pick nits (lice eggs) from someone’s hair. •(no longer used) I nitpicked his hair. noun1 •A quibble about a minor mistake or fault.I have a few nitpicks about the grammar in your report. formsnitpicked · nitpicking · nitpicks