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

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

Category: People

2.Definition: any of several small insects especially aphids that feed by sucking the juices from plants

Category: Animals

3.Definition: wingless insect with mouth parts adapted for biting; mostly parasitic on birds

Category: Animals

4.Definition: wingless usually flattened bloodsucking insect parasitic on warm-blooded animals

Category: Animals