There are numerous synonyms that can be used for the phrase "strong right arms". Some of these synonyms include: powerful biceps, robust upper limbs, sturdy arms, muscular forearms, and mighty guns. These synonyms are often used to describe individuals who possess a lot of physical strength and are able to lift heavy objects easily. Some other terms that can be used to describe strong arms include toned muscles, solid physique, and Herculean strength. Whether used in a literal or figurative sense, these synonyms help to convey the idea of strength, power, and resilience.