Englishoccasional
adjective
there was very little chance of her returning to the village, except for occasional visits:
infrequent, intermittent, irregular, periodic, sporadic, odd, random, casual, desultory, incidental, uncommon, episodic, few and far between, fitful, spasmodic, isolated, rare;
North American sometime;
dated seldom.
▷antonyms regular, frequent.
occasional Oxford Dictionary of English