Synonyms|47Antonyms|5|Broader|0Narrower|0Related|82
6
indefinable
3
indefinite
2
indescribable
2
ineffable
2
unutterable
1
boundless
1
endless
1
immeasurable
1
incalculable
1
indeterminate
1
indistinct
1
inexplicable(adjective, explanation)
1
inexpressible
1
infinite
1
limitless
1
unbounded
1
undefined
1
undeterminable
1
unlimited
1
untellable
<123>
For more, visit Undefinable on Power Thesaurus
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). undefinable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/undefinable/thesaurus/synonyms
ChicagoSmart Define. 2015. "undefinable thesaurus" https://smartdefine.org/undefinable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, undefinable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/undefinable/thesaurus/synonyms>.
MLASmart Define. "undefinable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/undefinable/thesaurus/synonyms>