Wiktionary
unhabitual
a. Not habitual; uncustomary.
Usage examples of "unhabitual".
Instead of opening his hardware and furniture shop as was his accustomed wont, the Justice of the Peace arose with unhabitual briskness from the breakfast table, and, surrounded by the numerous members of his family, proceeded with Jove-like mien to the place of the trial, where for some minutes the more vociferous members of the community had been impatiently awaiting his coming.