[UN-1 12.] The quality of being unusual or exceptional.
1579. W. Wilkinson, Confut. Fam. Love, To Rdr. The vnusualnesse of their Methode.
1626. C. Potter, trans. Sarpis Hist. Quarrels, 399. Beleeuing it an indignity (besides the vnusualnesse of the matter) which would diminish his Reputation.
1668. Wilkins, Real Char., 9. Varying the way of pronunciation, according to the unusualness and difficulty of several sounds to several Countries.
1718. Entertainer, No. 43. 306. Some Persons wondered at the Unusualness of his Running in that Place.
a. 1754. Carte, Hist. Eng. (1755), IV. 402. The unusualness of the thing served to countenance the unreasonable outcries.
1836. M. Scott, Cruise Midge, I. 120. Totally unconscious of the unusualness of her costume.
1876. Geo. Eliot, Dan. Der., iv. The answer may seem to be in a certain unusualness about her, a decision of will.