As 1) The film was criticized for its gratuitous [ɡrəˈtuɪ.təs] violence.

As 2) A local veterinary technician provides gratuitous [ɡrəˈtuɪ.təs] services to the animal shelter twice a month.

gratuitous [ɡrəˈtuɪ.təs]
adj

1) describes things that are not necessary, appropriate, or justified, as in "a gratuitous insult" or "a gratuitous assumption."

2) can also mean "free."

a descendant of the Latin word gratus, which means "pleasing" or "grateful." When gratuitous was first used in the 17th century, it meant "free" or "given without return benefit or compensation." The extended meaning "done without good reason" or "unwarranted" came about just a few decades later

English