ring true/false/hollow

ring false

To seem or sound false, insincere, inauthentic, or deceitful. I personally think that their reasoning rings a bit false. The actor's vacuous, overblown performance is sure to ring false for anyone who grew up in that part of the country.
See also: false, ring

ring hollow

To sound or give the sense of being false, insincere, or not genuine. The statements that followed made her apology ring hollow. The dialogue in the film rings hollow—no one talks like that in real life.
See also: hollow, ring

ring true

To seem or sound true, sincere, or authentic. I personally don't think that their reasoning rings true. The actress's stirring performance really rings true for anyone who has gone through similar circumstances.
See also: ring, true

ring true

Fig. to sound or seem true or likely. (From testing the quality of metal or glass by striking it and evaluating the sound made.) The student's excuse for being late doesn't ring true. Do you think that Mary's explanation for her absence rang true?
See also: ring, true

ring false

Also, have a false or hollow ring ; strike a false note. Seem wrong or deceitful, as in Her denial rings false-I'm sure she was there when it happened, or His good wishes always seem to have a hollow ring, or Carol's congratulatory phone call really struck a false note. Ring false and the antonym, ring true, which means "seem genuine," allude to the old practice of judging a coin genuine or fake by the sound it gives out when tapped. This practice became obsolete when coins ceased to be made of precious metals, but by then the idioms were being used to refer to other matters. [Mid-1800s]
See also: false, ring

ring true

see under ring false.
See also: ring, true

ring hollow

or

sound hollow

COMMON If a statement or promise rings hollow or sounds hollow, it does not seem true or sincere. Now the promise of a long, secure career rings hollow, employers must find new ways to attract staff. Official claims that the two countries are close friends sound increasingly hollow. Note: You can also say that a statement or promise has a hollow ring. The Government's claim to be making record investments in railways has a very hollow ring. Compare with ring true. Note: The idea is of an object that is meant to be solid making a loud noise when struck, indicating that it is weaker or cheaper than it was believed to be.
See also: hollow, ring

ring true

If something that is said or written rings true, it seems to be true or sincere. It is Mandela's argument that rings true to American ears. When I first heard his reasons, they didn't ring true. Compare with ring hollow.
See also: ring, true

ring ˈtrue/ˈfalse/ˈhollow

seem true/false/insincere: What you’ve said about Jim just doesn’t ring true. Are we talking about the same person?His apology rings a little hollow.
See also: false, hollow, ring, true