uncustomary

English

Etymology

From un- +‎ customary.

Adjective

uncustomary (comparative more uncustomary, superlative most uncustomary)

1. Not customary.
   • 2021, Colson Whitehead, Harlem Shuffle, Fleet, page 288:

     He had kept it cryptic on the phone; that plus the uncustomary afternoon meeting would warn the jeweler that it was serious.