louse
definition: wingless usually flattened bloodsucking insect parasitic on warm-blooded animals
example:
speech part: noun
synonyms:
sucking louse
definition: wingless insect with mouth parts adapted for biting
example:
speech part: noun
synonyms:
bird louse
biting louse
definition: any of several small insects especially aphids that feed by sucking the juices from plants
example:
speech part: noun
synonyms:
plant louse
definition: a person who has a nasty or unethical character undeserving of respect
example:
speech part: noun
synonyms:
worm