1
lasting
1
level(adjective, even)
1
matching(adjective, even)
1
parallel(adjective, even)
1
perpetual
1
plane(adjective, even)
1
reliable
1
right(adjective, even)
1
set
1
settled
1
smooth(adjective, informal, even)
1
stationary
1
steadfast
1
straight(adjective, even)
1
sure
1
unceasing
1
unchanged
1
undeviating(adjective, even)
1
undistributed
1
unfaltering
11 years ago|2.9k views|share |citing 
APASmart Define. (2015). invariant thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/invariant/thesaurus/synonyms
ChicagoSmart Define. 2015. "invariant thesaurus" https://smartdefine.org/invariant/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, invariant thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/invariant/thesaurus/synonyms>.
MLASmart Define. "invariant thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/invariant/thesaurus/synonyms>