Pedicular is an adjective that refers to anything related to lice. Some synonyms for this word include lousy, lice-infested, parasitic, verminous, and infested with pediculosis. Each of these words can be used interchangeably with pedicular depending on the context of the sentence. For example, if you were describing a person with a severe case of lice, you could say they were infested with pediculosis or that their head was lousy with lice. These synonyms can help add variety to the language used to describe lice-related issues and enable the speaker to command more precise language.