outgoing vs forthcoming

outgoing and forthcoming both are adjectives.

Word	Noun	Adjective	Verb	Adverb
outgoing	No	Yes	No	No
forthcoming	No	Yes	No	No

As adjectives, outgoing and forthcoming are synonyms defined as:

Other synonyms of outgoing include extroverted.

outgoing (adjective)	forthcoming (adjective)
leaving a place or a position	available when required or as promised
retiring from a position or office	of the relatively near future
at ease in talking to others	at ease in talking to others