The New York Stock Exchange started out as a coffee house.
improvisatorial (comparative more improvisatorial, superlative most improvisatorial)
improvisatory
Source: Wiktionary
Im*prov`i*sa*to"ri*al, Im*prov"i*sa*to*ry, a.
Definition: Of or pertaining to improvisation or extemporaneous composition.
Source: Webster’s Unabridged Dictionary 1913 Edition
6 January 2025
(adverb) (of childbirth) before the end of the normal period of gestation; “the child was born prematurely”
The New York Stock Exchange started out as a coffee house.