Synonyms and Antonyms of periodic
1 appearing or occurring repeatedly from time to time <sent out periodic reminders about the office dress code> Synonyms constant, frequent, habitual, regular, periodical, repeated, steadyRelated Words continual, intermittent, recurrent, recurring; cyclic (or cyclical); around-the-clock, hourly, round-the-clock, 24-7 (or 24/7); chronic, confirmed, inveterate; expected, usualNear Antonyms episodic (also episodical), occasional; unexpected, unusualAntonyms inconstant, infrequent, irregular
2 occurring or appearing at intervals <periodic snow showers that might leave up to an inch> Synonyms continual, on-and-off, intermittent, periodical, recurrent, recurringRelated 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
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