Powerless and Weakest

Powerless adjective - Unable to act or achieve one's purpose.

Weakest and powerless are semantically related In some cases you can replace term "Weakest" with "Powerless", this adjectives are similar.

Nearby Words: power, powerful, powerfully

Powerless and weakest are semantically related in cowardly topic. Sometimes you can use "Powerless" instead an adjective "Weakest", if it concerns topics such as not strong.