Antonyms of adj seminal

1 of 2 senses of seminal

Sense 2
germinal, originative, seminal -- (containing seeds of later development; "seminal ideas of one discipline can influence the growth of another")

INDIRECT (VIA original) -> unoriginal -- (not original; not being or productive of something fresh and unusual; "the manuscript contained unoriginal emendations"; "his life had been unoriginal, conforming completely to the given pattern"- Gwethalyn Graham)

Similarity of adj seminal

2 senses of seminal

Sense 1
seminal -- (pertaining to or containing or consisting of semen; "seminal fluid")

Sense 2
germinal, originative, seminal -- (containing seeds of later development; "seminal ideas of one discipline can influence the growth of another")
       => original (vs. unoriginal) -- (being or productive of something fresh and unusual; or being as first made or thought of; "a truly original approach"; "with original music"; "an original mind")