true to

true to (someone or something)

1. Firmly devoted or loyal to someone or something. You promised to be true to me when we got married—do those vows mean nothing to you? True to her word, Margaret destroyed the documents after I paid the blackmail.
2. Consistent or in accordance with some pre-established aspect or condition. You promised to be true to me when we got married—do those vows mean nothing to you? We have to have a president who is true to our company's values. His paintings are startlingly true to life.
See also: true
Farlex Dictionary of Idioms.

true to

1. Loyal or faithful to, as in She knew he'd be true to his marriage vows, or, as Shakespeare had Polonius tell Hamlet, "This above all, to thine own self be true" ( Hamlet, 1:3). [c. 1200]
2. Conforming to or consistent with, as in The speech was true to the party platform, or True to type, he died while working at his desk.
3. true to life. Consistent with reality, realistically represented, as in This painting is very true to life. [Early 1800s] For true to form, see under run to form.
See also: true
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • true to (someone or something)
  • true enough
  • hold true
  • true to (one's) colors
  • tru
  • Tru dat
  • tru(e) dat
  • true grit
  • true blue
  • true that
References in periodicals archive
To be true to the miracle of Vatican II, there is urgent need of recovering a new, fuller understanding of patristic, glad, tidings, above all the good news that we are not merely called but are the sons and daughters of God"' (1 John 3:1).
Plato correctly states the Protagorean thesis as the view that `What seems true to any person actually is true, to that person to whom it seems true' ([GREEK TEXT NOT REPRODUCIBLE IN ASCII] Theaetetus 170a).
On Protagoras' terms, presumably I should understand this as meaning `It is true for me that things will seem better to you if Protagorean relativism comes to seem true to you'.