occasional

[əˈkeɪʒ(ə)nəl]

нерегулярний, випадковий, який трапляється час від часу

Приклади використання слова «occasional»:

But beyond an occasional harmless shot they did nothing.
In the distance the firing had died down to a mere occasional boom.
Aside from an occasional burst into song the way had been grim andweary.
General Lincoln deserves his, the world may be pardoned for an occasional error.
Outside there was quiet now, save for the crunchof an occasional footstep.