muscularize

Etymology

From muscular + -ize.

muscularize means to increase the size of the muscles. Lexicurio rates it Sui generis — a strength score of 91 out of 100.

verb

To increase the size of the muscles.“1982, Lou Sullivan, personal diary, quoted in 2019, Ellis Martin, Zach Ozma (editors), We Both Laughed In Pleasure I need to lift weights & muscularize my chest—it's still so sunken in.”
To make (something) more masculine, virile, or militaristic.“Perhaps the most famous example of this impulse to muscularize Christianity in the early twentieth century was evangelist Billy Sunday.”