venire meno

Literally, "to become less."

venire meno

1. (intransitive, also hyperbolic) to faint
2. (intransitive) to no longer exist; to cease
3. (intransitive) to ebb; to fade away; to become less

   il nostro amore è venuto meno

   our love faded away

4. (intransitive) to be insufficient or not enough; to fail
5. (transitive with a) to break (a commitment) or renege (on) (a promise)

   venire meno alla parola data

   to go back on one's word

   (literally, “renege on the given word”)

6. (transitive) to break; to violate

   venire meno la legge ― to break the law