Look for words that suggest danger or poor condition to understand when this phrase fits. With its frayed wires, that old heater is an accident waiting to happen.
Pro Tip 2/3
Not Literal
The phrase often describes potential issues, not just immediate or obvious ones. Ignoring those warning signs is an accident waiting to happen.
Pro Tip 3/3
Figurative Sense
Can describe prone to failure, not just physical harm or disaster. Unsupervised, those kids’ party is a disaster waiting to happen.