recurring

occurring or appearing at intervals death and spirituality are recurring themes throughout the whole of this author's work Synonyms continual, on-and-off, periodic, periodical, recurrent, intermittentRelated Words alternate, alternating, cyclic (or cyclical), rhythmic (or rhythmical), seasonal, serial; aperiodic, erratic, fitful, irregular, occasional, spasmodic, sporadic, spotty, unsteadyNear Antonyms eternal, everlasting, interminable, perpetualAntonyms constant, continuous, incessant, unceasing