potent
Very strong and powerful, with a big effect.
Potent means powerful and effective, having a strong influence or effect. A potent medicine works quickly and strongly to cure an illness. A potent argument convinces people because it makes such a compelling point. When a chef adds a potent spice like cayenne pepper to a dish, even a tiny amount creates a big impact.
The word often suggests concentrated power: something potent doesn't need much quantity to make a difference. A few drops of potent vanilla extract can flavor an entire cake. A potent speech might change how people think about an important issue. Scientists working with potent chemicals handle them carefully because of their strength.
You'll encounter this word when people discuss things that pack a punch. A potent smell might make you wrinkle your nose from across the room. A potent memory stays vivid in your mind for years. The opposite would be something weak or watered down that barely has any effect.
When someone describes an idea as potent, they mean it has real force behind it: the kind that changes minds, inspires action, or solves problems. Potent things demand respect because of their strength and effectiveness.