[Idiom] UNDERESTIMATE AT YOUR PERIL. - The Risks of Underestimating Situations

ignore potential danger at your own risk

'Underestimate at your peril' is a cautionary idiom in American English used to warn someone about the dangers of underestimating a person, situation, or object. This idiom serves as a stark reminder that overlooking the true potential of threats can lead to severe consequences. For example, in business, underestimating a competitor could result in unexpected loss of market share. This phrase urges one to always assess situations carefully and respect potential risks, thus promoting a more mindful approach in decision-making.

Example Sentences

1. Underestimate him at your peril.

   Warning someone that underestimating him could lead to serious consequences.

2. Underestimate the competition at your peril; they can surprise you.

   Cautioning that underestimating the competition could be risky as they might outperform expectations.

3. The weather in mountains is tricky; underestimate it at your peril.

   Advising to be careful about the unpredictable mountain weather as it can be dangerous if underestimated.