Noun worm (plural: worms) A generally tubular invertebrate animal of the annelid phylum A contemptible or devious person Don't try to run away, you little worm (internet) A self-replicating program which propagates widely through a network (cf. virus). Related terms wormhole wormwood wormy bookworm earthworm flatworm ringworm tapeword woodworm vermiform fishing worm Translations Catalan: cuc m French: ver (m) (1, 3) Italian: verme (m) (1, 2) Intransitive verb to worm (wormed, wormed) To move with ones body dragging the ground We wormed our way through the underbrush To gain access in an devious way He wormed his way into the organization See also grub maggot