Adverse: Unfavorable, detrimental (प्रतिकूल/ विपरीत)
The drug has so far had no adverse effect on patients.
Blunder: A serious mistake, usually caused by not taking care or thinking (बड़ी गलती)
He said that the tax was a major political blunder.
Fabricate: to invent or produce something false in order to deceive someone (झूठी कहानी बनाना)
He was late, so he fabricated an excuse to avoid trouble.
Backfire: (of a plan) to have the opposite result from the one you intended (उल्टी प्रतिक्रिया होना)
Her plans to make him jealous backfired on her .
Glimmer: to shine with a weak light or a light that is not continuous (जगमगाना)
The sky glimmered with stars.