home Jan Postma eventuality e⋅ven⋅tu⋅al⋅i⋅ty [i-ven-choo-al-i-tee] –noun 1. a contingent event; a possible occurrence or circumstance: Rain is an eventuality to be reckoned with in planning the picnic. 2. the state or fact of being eventual; contingent character. e a b c d e f g h i j k l m n o p q r s t u v w x y z epiphany ephemeral eventuality error exhausted equilibrium extension