DictionarypotentPowerful or effective
adjective

potent

POH-tunt/ˈpəʊtnt/

Able to produce a powerful result.

The potent magnet draws a cluster of iron nails toward its poles.

Small horseshoe magnet strongly attracts a cluster of iron nails across visible gap, nails aligned toward both poles; concentrated strong effect, simple ink object study, no labels.
Etymology

Latin potens describes something powerful or able. The English meaning retains this idea of inherent strength, whether expressed through physical force, strong effects, or influence.

In context

Enhanced Public Domain214:13
you can generate in another enthusiasm and the spirit of success which somehow furnishes an impetus to do something worthwhile and concentrated mental control there is a latent power more potent Than Physical Force
1900s Philosophy: Theron Q. Dumont - The Power of Concentration (Audiobook)

More examples

  • Even a little of this spice adds a potent flavor.
  • Her speech offers a potent argument for changing the law.
  • The treatment helps him remain sexually potent.

Forms

potent · more potent · most potent

potency noun — The strength of something's effect or influence.

Similar words

powerful
Emphasizes strength or force, not necessarily a particular effect.
effective
Emphasizes achieving the intended result rather than sheer strength.
strong
Broader term for considerable force, intensity, or physical strength.