WordNet sense 1 (not successful; having failed or having an unfavorable outcome):

unsuccessful

WordNet sense 2 (not allowed to continue to bat or run):

retired

WordNet sense 3 (not capable of occurring or being accomplished or dealt with):

impossible

WordNet sense 4 (excluded from use or mention):

forbidden, taboo, verboten, prohibited, proscribed, tabu

WordNet sense 5 (not permitted):

impermissible

WordNet sense 6 (leaving a place or a position):

outgoing

WordNet sense 7 (not in accord with or not following current fashion):

unfashionable, unstylish

WordNet sense 8 (being on the outside or further from a center):

outer

WordNet sense 9 (situated in or suitable for the outdoors or outside of a building):

exterior

WordNet sense 10 (to state openly and publicly one's homosexuality):

come out, come out of the closet

WordNet sense 11 (knocked unconscious by a heavy blow):

kayoed, KO'd, stunned, knocked out

WordNet sense 12 (from one's possession):

away

WordNet sense 13 (being out or having grown cold):

extinct

WordNet sense 14 (not showing characteristics of life especially the capacity to sustain life; no longer exerting force or having energy or heat):

dead