Antonym: customary. Similar words: occasionally, on occasion, professional, congressional, invasion, national, regional, missionary. Meaning: [ə'keɪʒənl] 
adj. 1. occurring from time to time 2. occurring or appearing at usually irregular intervals 3. occuring from time to time.
adj. 1. occurring from time to time 2. occurring or appearing at usually irregular intervals 3. occuring from time to time. 
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1. The weather was good except for an occasional shower.
2. I've had occasional mild headaches all my life.
3. They caught occasional glimpses of great birds circling.
4. The occasional nude bather comes here.
5. She likes an occasional glass of wine.
6. He made occasional visits to London.
7. He pays me occasional visits.
8. I play the occasional game of football.
9. She went on occasional drinking binges.
10. Despite the occasional lapse, this was a fine performance by the young saxophonist.
11. Everything was quiet, aside from the occasional sound of a car in the distance.
12. The street slept in darkness, aside from the occasional twinkling of lights from two or three windows.
13. He has occasional injections to maintain his good health but otherwise he lives a normal life.
14. Despite occasional patches of purple prose, the book is mostly clear and incisive.
15. There will be occasional showers in southeast England, some of them perhaps heavy.
15. Wish you can benefit from sentencedict.com and make progress everyday!
16. Thicker cloud with occasional rain or drizzle will spread into some western areas during the night.
17. Occasional bursts of gunfire are a reminder that the rebels are still active.
18. I can't help noticing the occasional clanger in war films.
19. Regular exercise is better than occasional bouts of strenuous activity.
20. He supplemented his income with occasional comedy gigs.
21. It was her job to commission occasional articles.
22. They had an occasional coffee together after shopping.
23. The supermarket holds occasional wine-tasting sessions.
24. He strolled through the fields[sentencedict.com], potting the occasional rabbit.
25. He gets the occasional niggle in his right shoulder.
26. You deserve an occasional evening out.
27. I enjoy an occasional night out at the theatre.
28. There will be occasional showers during the day.
29. From Sunday to Tuesday, it will be cloudy with occasional drizzle in western and northwestern areas, especially around coasts and hills.
30. The silence of the forest was made evident by the occasional snap of a twig.
More similar words: occasionally, on occasion, professional, congressional, invasion, national, regional, missionary, educational, additional, functional, nationalism, traditional, conventional, traditionally, international, institutional, instructional, organizational, constitutional, casino, cast aside, personal, personally, occupation, on a large scale, version, tension, mission, mansion.