Continual and Epochal

Continual adjective - Going on and on without any interruptions.

Epochal is an antonym for continual.

Nearby Words: continuous, continued, continuing, continuation, continuity

Epochal adjective - Highly significant or important especially bringing about or marking the beginning of a new development or era.

Continual is an antonym for epochal in topics: irregular, at fixed intervals.

Nearby Word: epoch