The word "strongarm" typically implies the use of physical force or coercion to achieve one's goals. Its antonyms, on the other hand, indicate a gentler, more diplomatic approach. One antonym for "strongarm" is "negotiate," which involves using communication and compromise to come to a mutually beneficial agreement. Another antonym is "persuade," which involves convincing someone to see things from your perspective through logical or emotional appeals. "Compromise" is also an antonym for "strongarm," as it involves finding common ground and making concessions in order to reach a resolution. Overall, the antonyms for "strongarm" emphasize the importance of peaceful, nonviolent communication and cooperation.