continual

continual, continuous, constant, incessant, perpetual, perennial mean characterized by continued occurrence or recurrence. continual often implies a close prolonged succession or recurrence <continual showers the whole weekend>. continuous usually implies an uninterrupted flow or spatial extension <football's oldest continuous rivalry>. constant implies uniform or persistent occurrence or recurrence <lived in constant pain>. incessant implies ceaseless or uninterrupted activity <annoyed by the incessant quarreling>. perpetual suggests unfailing repetition or lasting duration <a land of perpetual snowfall>. perennial implies enduring existence often through constant renewal <a perennial source of controversy>.