spf spey cast • sphacel · · · Info · Definitions · Synonyms · Characters · · spf · · Text Latin · · Script 3 · · Length 1 · · Syllables Definitions · · · (noun) the degree to which a sunscreen protects the skin from the direct rays of the sun. Synonyms: sun protection factor, SPF. · · Noun Definition 1 Synonyms · · · sun protection factor · · Synonym 1 Characters · · f latin small letter f U+0066 p latin small letter p U+0070 s latin small letter s U+0073