What does sporadically mean?
Sporadically means at irregular or infrequent intervals. It describes an event, activity, or condition that happens occasionally without following a predictable schedule: “The service was available sporadically during the winter.” The word is useful when an occurrence is real but cannot be relied upon to happen regularly. It is often stronger than simply saying that something happens occasionally, because it suggests the absence of a consistent pattern. In formal writing, it can describe medical cases, natural phenomena, service interruptions, or human behaviour. Its standard adverb form is commonly used in both British and American English, while the related adjective is sporadic.
adverbAt irregular or infrequent intervals; occasionally and without any regular pattern.
- At irregular or infrequent intervals; occasionally and without a regular pattern.
"The trains run sporadically, so passengers should check the timetable before travelling."
"Cases of the disease were reported sporadically throughout the year."
"She checked her email sporadically, finding only a handful of messages each morning."
If something happens sporadically, it follows no dependable timetable and keeps everyone slightly off guard.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does sporadically come from?
Sporadically derives from the adjective sporadic, which comes through Latin from Greek sporadē, meaning “scattered” or “dispersed.” The term was originally used for occurrences that appeared scattered or isolated rather than continuous. The modern adverb form has developed from this adjectival sense and is now commonly used for events that happen at irregular or occasional intervals.
Related word forms
How sporadically is actually used
The adverb is neutral in register and is common in formal and informal writing. It often implies that something occurs occasionally rather than never, though the frequency may vary.
Easily confused with sporadically
Sporadically is the adverb describing something that happens at irregular intervals, while sporadic is the adjective describing that quality.