Synonyms and related words :
alternate, annular, annulate, annulose, articulated, atomatic, atomic, atomiferous, atomistic, beating, catenated, ceaseless, circinate, circling, circular, concatenated, connected, constant, continual, continued, continuing, continuous, coronary, crownlike, cyclical, cycloid, diatomic, dibasic, direct, discoid, disklike, endless, epochal, even, ever-recurring, every other, featureless, frequent, gapless, haunting, heteroatomic, heterocyclic, hexatomic, homocyclic, immediate, incessant, interminable, intermittent, isobaric, isochronal, isocyclic, isoteric, isotopic, joined, jointless, linked, measured, metronomic, monatomic, monotonous, never-ending, nonstop, oscillatory, pentatomic, perennial, periodic, periodical, pulsing, reappearing, reciprocal, recurrent, recurring, repetitive, returning, revenant, rhythmic, ring-shaped, ringlike, rotary, round, round-the-clock, rounded, running, seamless, seasonal, serial, serried, smooth, stable, steady, straight, subatomic, tetratomic, thematic, thick-coming, triatomic, tribasic, twenty-four-hour, ubiquitous, unbroken, unceasing, undifferentiated, undulant, undulatory, unending, uniform, unintermitted, unintermittent, unintermitting, uninterrupted, unrelieved, unremitting, unstopped, wavelike, wheeling