occasionally

• "he was arrogant and occasionally callous"
• "open areas are only occasionally interrupted by clumps of trees"
• "they visit New York on occasion"
• "now and again she would take her favorite book from the shelf and read to us"
• "as we drove along, the beautiful scenery now and then attracted his attention"

Synonyms

• on occasionsporadically and infrequently
• once in a whilesporadically and infrequently
• now and thensporadically and infrequently
• now and againsporadically and infrequently
• at timessporadically and infrequently
• from time to timesporadically and infrequently