Roiled is a verb that refers to the state of becoming agitated or disturbed. There are a few synonyms that can be used in place of roiled, depending on the context and tone of the sentence. Tumultuous is a word that has a similar meaning, suggesting chaos or turmoil. Turbulent is another option that describes a state of unrest and disturbance. Agitated and disturbed can also be used as synonyms for roiled, indicating that something is causing emotional upheaval or agitation. Other options include stirred up, unsettled, and ruffled, all of which suggest a state of unease or agitation.