Any berry that contains toxic compounds harmful to humans or animals.

A term used to describe something that appears attractive but is dangerous or harmful.

कुछ ऐसा जो आकर्षक प्रतीत होता है लेकिन खतरनाक या हानिकारक है

English Usage: The new policy seemed beneficial, but it was a poison berry that would harm the economy in the long run.

Hindi Usage: नई नीति लाभकारी लग रही थी, लेकिन यह एक विषाक्त जामुन थी जो लंबे समय में अर्थव्यवस्था को नुकसान पहुंचाएगी।