[noun] [C] - a chance to avoid doing something or to do something, esp. because of a mistake in the way rules or laws have been writtenMany of them were lawyers employed by those companies to find loopholes in environmental protection laws.The police are anxious to close any loopholes to prevent copycat crimes.
LOOPHOLE
Meaning of LOOPHOLE in English
Cambridge English vocab. Кембриджский английский словарь. 2012