Shortfall

Sure, here’s the definition of the word “shortfall”:

Shortfall – the amount by which something falls short of a desired or expected amount, quantity, or standard.

Synonyms:– Deficiency- Lack- Shortcoming- Gap- Difference

Examples:– The student’s grade on the exam was affected by a shortfall of understanding in key concepts.- The company fell short of its target sales goal by 10%.- The battery had a shortfall of power, causing the phone to shut down prematurely.