fault, failing, frailty, foible, vice mean an imperfection or weakness of character. fault implies a failure, not necessarily culpable, to reach some standard of perfection in disposition, action, or habit.

FAILING definition: an act or instance of failing; failure. See examples of failing used in a sentence.

failing preposition (WITHOUT) used to show what will happen if something is not possible or available:

an act or instance of failing; failure His failing is due to general incompetence

Definition of failing noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. an act or instance of failing; failure. 2. a defect or fault; shortcoming; weakness. prep. 3. in the absence or default of: Failing payment, we shall sue.

fail•ing /ˈfeɪlɪŋ/ n. [countable] an act or instance of failing; failure. a defect or fault; shortcoming; weakness. prep. in the absence or default of: Failing payment, we shall sue.