weil weighty • Weil-felix reaction · · · Info · Definitions · Characters · · weil · · Text Latin · · Script 4 · · Length 2 · · Syllables Definitions · · · (noun) French philosopher (1909-1943). Synonyms: Weil, Simone Weil. · · Noun Definition 1 (noun) United States mathematician (born in France) (1906-1998). Synonyms: Weil, Andre Weil. · · Noun Definition 2 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C w latin small letter w U+0077