WordWeb Online

1. Any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae
    
2. [informal] A person who has a nasty or unethical character undeserving of respect
   - louse[2], insect, dirt ball
    
3. A software program capable of reproducing itself that can spread from one computer to the next over a network
   "worms take advantage of automatic file sending and receiving features found on many computers"
    
4. Screw thread on a gear with the teeth of a worm wheel or rack

1. Move in a twisting or contorted motion (esp. when struggling)
   "The prisoner wormed in discomfort";
   - writhe, wrestle, wriggle, squirm, twist
    
2. [informal] Introduce or insert (oneself) in a subtle manner
   "He wormed himself into the conversation of the people at the nearby table";
   - insinuate

Derived forms: wormed, worming, worms

Type of: bring in, disagreeable person, introduce, invertebrate, malevolent program, malware, move, screw, unpleasant person

Part of: worm gear

Encyclopedia: Worm, parcel and serve