Definition

To work slowly, gradually, and secretly. When debates and fretting jealousy Did worm and work within you more and more, Your color faded. Herbert.

Other Definitions

This word also has another definition:

WORM (noun)

1. A creeping or a crawling animal of any kind or size, as a serpent, caterpillar, snail, or the like. [Archaic] There came a viper out of the heat, a...