constantly (adv.)
- always
- ceaselessly
- consistently
- continually
- continuously
- cumulatively
- daily
- devotedly
- endlessly
- eternally
- ever
- everlastingly
- faithfully
- firmly
- hourly
- incessantly
- infinitely
- interminably
- intermittently
- invariably
- loyally
- methodically
- monotonously
- perennially
- permanently
- perpetually
- punctually
- rapidly
- regularly
- repetitively
- responsibly
- staunchly
- steadfastly
- steadily
- systematically
- together
- unceasingly
- unendingly
- uniformly
- uninterruptedly