Antonyms of adj ferocious

1 sense of ferocious

Sense 1
ferocious, fierce, furious, savage -- (marked by extreme and violent energy; "a ferocious beating"; "fierce fighting"; "a furious battle")

INDIRECT (VIA violent) -> nonviolent -- (abstaining (on principle) from the use of violence)

Similarity of adj ferocious

1 sense of ferocious

Sense 1
ferocious, fierce, furious, savage -- (marked by extreme and violent energy; "a ferocious beating"; "fierce fighting"; "a furious battle")
       => violent (vs. nonviolent) -- (acting with or marked by or resulting from great force or energy or emotional intensity; "a violent attack"; "a violent person"; "violent feelings"; "a violent rage"; "felt a violent dislike")