One aspect of the present invention relates to a clay-containing synthetic textile material lubricant composition comprising a synthetic textile material lubricant, clay, and a dispersant in an amount sufficient to stably suspend the clay in the composition. Another aspect of the present invention is a method of lubricating synthetic fibers or filaments used in forming synthetic filaments from the fibers or yarn from a monofilament or multiple filaments or lubricating synthetic filaments or synthetic yarn during subsequent processing or handling, where the method comprises using the composition of the present invention as the lubricant.