imparilitas (inp-), ātis, f. imparilis, inequality, difference (very rare): imparilitas haec turbat observationem omnisque ratio disciplinae confunditur, lack of correspondence between the situations of the stars and the varied fates of men, Nigid. ap. Gell. 14, 1, 22.

— Gram. t. t.: soloecismus Latino vocabulo a Sinnio Capitone ejusdemque aetatis aliis imparilitas appellatus, Gell. 5, 20, 1.