Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
How to sign: having great power or force or potency or effect
"the most powerful government in western Europe"; "his powerful arms"; "a powerful bomb"; "the horse's powerful kick"; "powerful drugs"; "a powerful argument";
How to sign: having the power to influence or convince
"a cogent analysis of the problem"; "potent arguments";