Meanings
From a widespread misconception describing a frog slowly being boiled alive. The premise is that if a frog is placed in boiling water, it will jump out, but if it is placed in cold water that is slowly heated, it will not perceive the danger and will be cooked to death.
How to pronounce "boiling frog":
AU
A person who, or thing which, is in a gradually worsening situation without any realization of the peril until it is too late.
Example: "Environmental pollution and the overconsumption of nonreplenishable resources is the boiling frog syndrome of the 21st century."
Example Sentences
1
She didn't realize her health was deteriorating slowly, like a boiling frog.
2
The company was gradually going bankrupt, but the management acted like a boiling frog and did nothing.
3
They were trapped in a toxic relationship, with problems simmering like a boiling frog.
4
The team failed to notice that their chances of winning were slipping away, just like a boiling frog.
5
He ignored the warning signs of climate change, not realizing that it was a boiling frog situation.