/im'euh choor"i tee, -toor"-, -tyoor"-, -cherr"-/ , n. , pl. immaturities for 2.
1. a state or condition of being immature: the immaturity of one's behavior; the immaturity of a country's technology.
2. an immature action or attitude.
[ 1530-40; IMMATURE + -ITY, prob. reflecting L immaturitas untimely haste, unripeness ]