Use 'unvarying' to suggest something is reliably consistent, implying dependability and predictability. The watch kept unvarying time, never losing a second.
Pro Tip 2/3
Negative Boredom
In certain contexts, 'unvarying' can imply a lack of excitement or variety, suggesting something is dull. He found the unvarying scenery on his daily commute to be quite tedious.
Pro Tip 3/3
Scientific Precision
'Unvarying' is often used to describe exact measurements or conditions crucial in scientific experiments. Conditions in the lab are kept at unvarying levels for accurate results.