dead-on

Synonyms

accurate, correct, exact, good, on-target, precise, proper, right, so, spot-on, true, veracious;

Antonyms

false, improper, inaccurate, incorrect, inexact, off, untrue, wrong;

Near Antonyms

defective, faulty, flawed, imperfect;

Related Words

legitimate, logical, sound, valid;

errorless, faultless, flawless, impeccable, inerrant, infallible, letter-perfect, perfect;

rigorous, strict, stringent;

Phrases

on target, on the money;