falter in (something)

falter in (something)

To waver or fail in regard to something. Hey, I was always faithful to Ron—I never faltered in my wedding vows!
See also: falter
Farlex Dictionary of Idioms.

falter in something

to fail in doing something; to exhibit a lack of something, such as faith, loyalty, perseverance, etc. He did not falter in his effort to see the project through to the end. I promised not to falter in my loyalty.
See also: falter
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • falter
  • falter in
  • knock
  • knock (something)
  • do someone or something justice
  • ain’t 1
  • go out of
  • other than
  • let something drop
  • helluva someone/something