Synonyms of prolific

Adjective

1. fecund, fertile, prolific, productive (vs. unproductive)

usage: intellectually productive; "a prolific writer"; "a fecund imagination"

2. prolific, fertile, fruitful (vs. unfruitful)

usage: bearing in abundance especially offspring; "flying foxes are extremely prolific"; "a prolific pear tree"

Definition and meaning of prolific (Dictionary)