Definition of occasional cause
1a : a mental state (as desire or decision) considered as the occasion but not the real cause of a physical phenomenon (as bodily behavior) b : a physical phenomenon considered similarly as the occasion of a mental state — compare occasionalism
2 : a circumstance that precedes an effect and that without being the real cause is the occasion of its action
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up occasional cause? Please tell us where you read or heard it (including the quote, if possible).