adjective Date: circa 1631 1. of or relating to a particular occasion , created for a particular occasion , acting as the occasion or contributing cause of something, encountered, occurring, appearing, or taken at irregular or infrequent intervals , acting in a specified capacity from time to time , designed or constructed to be used as the occasion demands
OCCASIONAL
Meaning of OCCASIONAL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012