... light photograph, photosynthesis, photonpoly many polytheist, polygon, polygamy, polymorphous Prefixes Prefix Meaning ExAnte- before Anteroom, antenatal,antedate, antediluvian Anti- Against ... contrary to Unhappy, unable To add to what Nobita8xqah has posted, here is a comprehensive list of prefixes compiled by Mr. Robert Harris: Root or PrefixMeaning Examplesa, an not, without atheist,...