constant

I adjective abiding, aeonian, certain, changeless, chronic, consistent, constans, continual, continually recurring, continuing, continuous, dependable, durable, endless, enduring, entrenched, eternal, faithful, firm, firmus, fixed, habitual, immortal, immutable, imperishable, inalterable, incessant, inconvertible, indeciduous, indelible, indestructible, indissoluble, inextinguishable, inflexible, invariable, invariant, inveterate, lasting, loyal, perdurable, perennial, permanent, perpetual, regular, reliable, sempiternal, stabilis, stable, steadfast, steady, sure, sustained, unchanging, undeviating, undying, unequivocal, uninterrupted, unrelenting, unshaken, unswerving, unvarying, unwavering II noun certainty, conformity, consistency, constancy, constans, convention, firmness, firmus, fixation, form, immutability, inextricability, invariability, invariable, invariant, inveteracy, maxim, pattern, permanence, prescribed form, procedure, prototype, regularity, reliability, rule, sameness, stabilis, stability, standard, standard practice, standard procedure, staunchness, steadfastness, steadiness, symmetry, unchangeableness, uniformity III index chronic, continual (connected), continuous, dependable, diligent, durable, faithful (diligent), faithful (loyal), habitual, immutable, incessant, loyal, patient, permanent, perpetual, reliable, resolute, sedulous, stable, standing, staunch, steadfast, true (loyal), unalterable, uniform, unrelenting, unremitting, unyielding