Insuetude

In"sue*tude (?), n. [L. insuetudo, from insuetus unaccustomed; pref. in- not + suetus, p. p. of suescere to be accustomed.] The state or quality of being unaccustomed; absence of use or habit.

Absurdities are great or small in proportion to custom or insuetude.
Landor.