The Oxford Thesaurus An A-Z Dictionary of Synonyms - final adj.

1) ending, concluding, terminating, finishing, closing, last, terminal, ultimate, end: The final sentence needs rewriting. 2) conclusive, decisive, unalterable, irreversible, irrevocable, incontrovertible, irrefutable, indisputable, unchangeable, immutable, definitive; settled, fixed, absolute, certain, sure: Those are my final words on the subject. We made a final series of measurements.