unfluctuating Synonyms

firm steady non-fluctuating unbroken tight sustained substantial strong stout steadfast stationary static uniform unchanging unalterable stabilized well-balanced planate dead in the water unvarying homochromatic stabile long-standing unwavering undeviating stable sound soldered homochromous fixed FAST even equable enduring durable constant consistent certain immutable invariable lasting settled robust rigid resolute reliable regular persistent perpetual permanent