"Dabble at" is a phrase that generally refers to doing something without a serious commitment. There are several synonyms for this phrase, including "toy with," "tinker with," "play at," and "fiddle with." These synonyms similarly convey the idea of experimenting with something without fully dedicating oneself to it. Other alternatives to "dabble at" include "experiment with," "test the waters," and "try out." These synonyms can be used interchangeably with "dabble at" depending on the context of the sentence. So, whether you are trying out a new hobby or tinkering with a new idea, there are plenty of synonyms to help describe your level of involvement.