final

1 following all others of the same kind in order or time this will be my final order Synonyms bottommost, closing, concluding, last, hindmost, lag, latest, latter, rearmost, terminal, terminating, ultimateRelated Words consequent, ensuing, eventual, following, succeeding; conclusive, crowning, decisive, definitive; farthermost, farthest, furthermost, furthest, remotest; lowermost, lowest, nethermost; endmost, extreme, outermost, outmost, utmost; penultimateNear Antonyms eminent, premier, superiorAntonyms beginning, earliest, first, foremost, headmost, inaugural, initial, leadoff, maiden, opening, original, pioneer, primary, starting

2 having been established and usually not subject to change the wedding date is final Synonyms certain, determinate, fixed, firm, flat, frozen, hard, hard-and-fast, inexpugnable, set, settled, stableRelated Words nonadjustable, noncancelable, nonnegotiable, unchangeable; constant, steady, unchanging, uniform, unwavering; definite, exact, explicit, specific; given, stated, stipulated; dependable, good, reliable, responsible, safe, solid, sure, tried, tried-and-true, true, trustworthy, trustyNear Antonyms adjustable, changeable, negotiable; indefinite, open-ended, unspecified; capricious, changeful, flickery, fluctuating, fluid, inconstant, mercurial, mutable, temperamental, uncertain, unpredictable, unsettled, unstable, unsteady, variable, volatile