ɪˈkwɑl.ɪ.ti ɪˈkwɒl.ɪ.ti ɪˈkweɪʃən ɪˈkwɪvələns pɑː pɑɹ the act of regarding as equal a mathematical statement that two expressions are equal a state of being essentially equal or equivalent; equally balanced on a par with the best