What does occasional mean?
Occasional means happening from time to time, rather than regularly, continuously, or according to a fixed pattern. It is commonly used for events that recur intermittently, such as occasional rain, occasional delays, or occasional cases of a disease. The word can also describe a person whose participation is infrequent, as in an occasional guest or occasional visitor. Its meaning is broader than simply rare: an occasional event may be expected to happen now and then, while still occurring less often than the regular features of a situation. In formal writing, “occasional” can suggest that something is limited or exceptional rather than standard. The related adverb “occasionally” is widely used to qualify verbs and statements, including in descriptions of behavior, weather, and patterns of use. Overall, the word conveys infrequency without implying that an event is unwanted, accidental, or fundamentally unusual.
adjectiveHappening from time to time, but not regularly or continuously. It can also describe someone who visits or participates in an activity only occasionally.
- Happening from time to time rather than regularly or continuously.
- Used for a person who visits, attends, or takes part in something only from time to time.
- Existing or occurring in a limited or occasional capacity, especially as a special-purpose or non-regular occurrence.
"We had occasional bursts of sunshine between the showers."
"The road is difficult to drive on during occasional heavy rain."
"She is an occasional contributor to the local community newspaper."
Occasional is a reminder that a regular pattern is not the only way for something to be meaningful: a small, infrequent event can still matter.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does occasional come from?
The adjective derives from the Latin occasionalis, meaning “happening by occasion” or “occurring at times,” formed from occasio, the source of English “occasion.” The word entered English in the early 17th century and was initially associated with things happening by chance or at particular times. It later developed its modern sense of happening from time to time or only occasionally. English “occasion,” “occupancy,” and “occupy” belong to a related Latin etymological family based on roots involving taking, falling, or happening.
Related word forms
How occasional is actually used
Generally neutral in register. It commonly describes recurring but infrequent events, as well as people who participate or appear only occasionally. In some contexts, especially in formal or technical writing, it can imply that something happens more rarely than expected.
Easily confused with occasional
An accidental event is unintended or unforeseen, whereas an occasional event happens infrequently but may be entirely expected.
Casual often means informal or relaxed, while occasional specifically emphasizes happening only from time to time.