Sporadical is a relatively uncommon word that refers to something that occurs only occasionally or in a sporadic manner. Synonyms for sporadical include infrequent, intermittent, irregular, occasional, periodic, and sporadic itself. These terms all describe something that happens from time to time but lacks regularity or predictability. They convey the idea of events or occurrences that are scattered or occur in a haphazard manner. Whether used in everyday conversation or in writing, these synonyms for sporadical help to convey the concept of something happening sporadically, providing a variety of options to choose from depending on the context or tone desired.