Squibbler is a relatively lesser-known word, often used to describe someone who writes in a hasty or careless manner. However, there are several synonyms for squibbler that can be used to convey the same meaning but with a different nuance. For instance, the word scribbler can be used to describe someone who writes carelessly or without paying much attention to detail. The term hack writer can be used to describe someone who produces low-quality writing to meet a commercial objective. Similarly, the phrases slinger of ink and penman can also be used to describe someone who writes hastily. Ultimately, the choice of word will depend on the context in which it is being used.