1‘a definitive decision’
conclusive, final, ultimate
decisive, unconditional, unqualified, absolute, categorical, positive, definite
2‘the definitive guide to the movies’
authoritative, exhaustive, most reliable, most complete, most perfect, most scholarly, best, finest, consummate
classic, standard, recognized, accepted, approved, official, established
We take a look at several popular, though confusing, punctuation marks.