Synonyms for To the letter:

• adj.

  •literal (adjective)
  • genuine,
  • simple,
  • faithful,
  • actual,
  • the letter,
  • verbal,
  • true,
  • gospel,
  • natural,
  • critical,
  • unexaggerated,
  • unerring,
  • usual,
  • close,
  • authentic,
  • accurate,
  • ordinary,
  • unvarnished,
  • bona fide,
  • methodical,
  • veritable,
  • written,
  • not figurative,
  • undeviating,
  • veracious,
  • apparent,
  • plain,
  • strict,
  • scrupulous.

• adv.

  •literally (adverb)
  • plainly,
  • unmistakably,
  • not figuratively,
  • rightly,
  • literatim,
  • precisely,
  • sic,
  • simply,
  • faithfully,
  • straight,
  • really,
  • indisputably,
  • unerringly,
  • undeviatingly,
  • correctly,
  • completely,
  • actually,
  • undisputably,
  • truly,
  • letter by letter,
  • directly,
  • veritably,
  • direct.
  •word for word (adverb)
  • word for word and letter for letter,
  • word-perfectly,
  • in the same words.

• n.

  •just right (noun)
  • just right.
  •to perfection (noun)
  • to perfection.

• Other synonyms:

  •to a T
  • to a t.
  •Other relevant words:
  • flawlessly,
  • definitely,
  • faultlessly,
  • scrupulously,
  • word by word,
  • point-blank,
  • systematically,
  • verbatim et litteratim,
  • methodically,
  • thus,
  • even,
  • exactly,
  • according to the letter,
  • perfectly,
  • right,
  • plumb,
  • ipsissimis verbis,
  • closely,
  • absolutely,
  • verbally,
  • accurately,
  • squarely,
  • positively,
  • in all respects,
  • just,
  • square,
  • verbatim et literatim,
  • in every respect,
  • expressly,
  • dead.

Antonyms for To the letter:

• adj.

  • literal
    figurative, uncommon, extraordinary, complex, decorated, intricate, Falsified, counterfeit, ornate, dishonest, unreal, imaginative, abnormal, inaccurate, complicated, unclear, exaggerated, embellished, false, different, loose, difficult.

• adv.

  • literally
    figuratively, loosely, doubtfully.