potent

US /ˈpoʊ.t̬ənt/
UK /ˈpoʊ.t̬ənt/
"potent" picture
1.

having great power, influence, or effect

:
•
The new drug is very potent against the virus.
•
He delivered a potent speech that moved the audience.
:
powerfulstrongeffectiveefficaciousforceful
:
impotentweakineffective