ex-temporary (adjective) extemporaneous/extemporary: unrehearsed, improvised
Sinonime: apologetic, attritional, chastened, compunctious, conscience-stricken, contrite, guilt-ridden, mournful, penitent, regretful, repentant, rueful, sad, self-reproachful, sorrowful, sorry*
Antonime: planned,
prepared,
read, rehearsed,
written