- (archaic) The state or quality of being unaccustomed; absence of habit.
- 1828, Walter Savage Landor, “Rousseau and Malesherbes”, in Imaginary Conversations of Literary Men and Statesmen, volume III, London: Henry Colburn, […], OCLC 719445219:
- Absurdities are great or small in proportion to custom or insuetude.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for insuetude in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913)