Omission to do something, whether or not it was attempted, especially something that ought to have been done.
State or condition of not meeting a desirable or intended objective, opposite of success.
Bankruptcy.
An object, person or endeavour in a state of failure or incapable of success.
Termination of the ability of an item to perform its required function; breakdown.
An accomplishment; particularly one that is flaunted or boasted of.
He thinks it is quite a feather in his cap that he figured it out for himself.
Used other than figuratively or idiomatically: see feather, cap.