Synonyms:
- ageless,
- amaranthine,
- articulated,
- catenated,
- ceaseless,
- coeternal,
- concatenated,
- connected,
- constant,
- continual,
- continued,
- continuing,
- continuous,
- cyclical,
- dateless,
- direct,
- endless,
- eternal,
- eterne,
- ever-being,
- ever-durable,
- ever-during,
- everlasting,
- everliving,
- featureless,
- gapless,
- immediate,
- immemorial,
- immortal,
- incessant,
- indestructible,
- infinite,
- interminable,
- joined,
- jointless,
- linked,
- monotonous,
- never-ceasing,
- nonstop,
- nonterminating,
- nonterminous,
- olamic,
- perdurable,
- perennial,
- periodic,
- permanent,
- perpetual,
- recurrent,
- repetitive,
- round-the-clock,
- running,
- seamless,
- sempiternal,
- serried,
- smooth,
- stable,
- steady,
- straight,
- timeless,
- twenty-four-hour,
- unbroken,
- unceasing,
- undifferentiated,
- unending,
- uniform,
- unintermitted,
- unintermittent,
- unintermitting,
- uninterrupted,
- unrelieved,
- unremitting,
- unstopped,
- without end