1.Definition: a person who has a nasty or unethical character undeserving of respect

Related Noun(s):dirt ball, insect, louse

Category: People

2.Definition: 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"

Category: General

3.Definition: 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

Category: Animals

4.Definition: screw thread on a gear with the teeth of a worm wheel or rack

Category: Objects