Definition of "upcoming"

upcoming¹

adjective
not comparable
1. Happening or appearing in the relatively near future.
2. Eggcorn of up-and-coming.
  Quotations
  The finals for the men's black belt championship saw Moon, an old pro, face an upcoming young rookie, Johnny Wooley.
  1967 August, “U.S. Karate Championships”, in Black Belt, Active Interest Media, page 51
noun
plural upcomings
1. The act of coming up.
2. Comeuppance; deserts.

upcoming²

noun
plural upcomings
1. The activity of to upcome.
adjective
comparative more upcoming, superlative most upcoming
1. Pertaining to upcoming.
verb
1. present participle and gerund of upcome