possible profanity
2
unconditional
2
undefined
2
undiminished
2
unfaltering
2
uniform(adjective, steady, regular, fixed, persistent)
2
universal(abstract, theoretical, abstruse, philosophical)
2
unmeasured
2
unrelenting(adjective, certain, persistent, constant, reliable)
2
untold(constant, absolute, abundant, unrestrained, immense)
2
vast(adjective, deep, large, absolute, huge)
2
yearlong
1
"your girl" always
1
abstract(excellent, obscure, extraordinary, superior, fantastic)
1
abstruse(deep, abstract, theoretical, profound, philosophical)
1
adoringly yours
1
affectionately
1
affectionately yours
1
ageold
1
all-comprehensive
1
all-inclusive
10 years ago|19k views|share |citing 
APASmart Define. (2016). eternal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/eternal/thesaurus/synonyms
ChicagoSmart Define. 2016. "eternal thesaurus" https://smartdefine.org/eternal/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, eternal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/eternal/thesaurus/synonyms>.
MLASmart Define. "eternal thesaurus" 11 March 2016. Web. 26 September 2026. <https://smartdefine.org/eternal/thesaurus/synonyms>