unvarying
adjEtymology From un- + varying.
1
Persistent, constant, changeless.
- You can be sure of our unvarying attention.
- In the United States, where the railways are 90 per cent. dieselised today, diesel-electric power is the unvarying rule for independent locomotive units, and the only motive power exceptions are the highly successful 600-h.p. diesel-hydraulic railcars of the Budd "RDC" type, of which between 300 and 400 are now at work.1958 April 23, Cecil J. Allen, “British Locomotive Practice and Performance”, in Railway Magazine, page 268:
2
Lacking variety; having a uniform character.
- The prizewinning carrots were of an unvarying size.