An act of coming forth.
"The forthcoming procession will march down the main street tomorrow."
present participle of forthcome
"The forthcoming issue will feature interviews with leading experts in the field."
In plain English: To be forthcoming as a verb means to willingly share information with someone else.
"The upcoming report will be forthcoming next month."
at ease in talking to others
"After years of shyness, she has become forthcoming and open when speaking to new people."
of the relatively near future
"the approaching election"
"this coming Thursday"
"the forthcoming holidays"
"the upcoming spring fashions"
Approaching or about to take place.
"The upcoming conference is a forthcoming event that many experts are eagerly anticipating."
In plain English: Forthcoming means ready to share information openly and without hiding anything.
"The upcoming meeting is scheduled for next Thursday, so please make sure to attend this forthcoming session."
Forthcoming comes from Old English forþcuman, meaning "to come forth or appear," which combines the idea of moving forward with the act of coming. The word entered Middle English as a present participle describing someone who is approaching or ready to be seen.