prolific /pɹəˈlɪf.ɪk/ adjective4 •Fertile; producing offspring or fruit in abundance, applied to plants producing fruit, animals producing young, etc. •Similarly producing results or performing deeds in abundance.A Chinese PhD student who is "one of the most prolific predators" in the UK has been sentenced to life with a minimum term of 24 years. — 2025 •Copious; plentiful; abundant.The prolific bird life around the Inlet was thinning out but grey rosellas and zebras and painted finches made the bush merry[.] — 1937 •Of a flower: from which another flower is produced. formsmore prolific · most prolific