You could get an effect similar to blur adding many small circles/ellipses around the glyphs[1], but the glyph size would increase significantly and that could

You could get an effect similar to blur adding many small circles/ellipses around the glyphs[1], but the glyph size would increase significantly and that could be an issue for some rendering engines. [1]: https://en.wikipedia.org/wiki/Halftone https://en.wikipedia.org/wiki/Halftone