Psychotically is an adverb that describes a state of mind that is characterized by abnormal thoughts and behaviors. There are several synonyms that can be used to express the same meaning as psychotically. Some of these synonyms include crazily, insanely, aberrantly, deliriously, derangedly, and maniacally. Each of these words connotes extreme or abnormal behavior and thoughts, making them perfect replacements for the word psychotically. Some other synonyms could be chaotically, wildly, or erratically. Using synonyms can add variety to writing and help convey the intended meaning more effectively.