leftism leftish • leftist · · · Info · Definitions · Characters · · leftism · · Text Latin · · Script 7 · · Length Definitions · · · (noun) the ideology of the political left; belief in or support of the tenets of the political left. · · Noun Definition 1 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D s latin small letter s U+0073 t latin small letter t U+0074