A "loud alarm" refers to a very loud sound or noise made by a device or system to alert and warn people about a certain situation or danger.
Sentences with «loud alarm»
She is curious about everything and has an extra loud alarm bark. (gsgsrescue.org)
If speaking doesn't do enough, you can even set off a rather loud alarm to deter people. (pocket-lint.com)
There are other types of «pick - up» lines out there however, which, while they may come across as sincere and hopeful, should cause VERY loud alarm bells to go off. (mirror.co.uk)