Synonyms for worm

noun

1. A small crawling animal

   caterpillar, grub, larva, maggot, leech, parasite, helminth.

   Common worms include: angleworm, earthworm, threadworm, pinworm, hookworm, tapeworm, galleyworm, silkworm, flatworm, blindworm, roundworm, annelid worm, cutworm, inchworm, measuring worm, army worm, cotton worm, wire worm.

2. A debased creature

   wretch, hypocrite, beggar, fraud, brute, scoundrel, reprobate, snake, low-life, shyster, trickster, sneak, devil, demon, hellhound, scum, creep*, riffraff, sharper, swindler, hoaxer.

3. Helminthiasis; usually plural

   hookworm, intestinal worms, tapeworms; see infection 1.

verb