150 entries under adjective topic. ×
| vast(immense, infinite, boundless, unlimited) | |
| blurred | |
| equivocal(uncertainty, uncertain, doubtful, vague) | |
| forever | |
| nebulous | |
| questionable | |
| unending(immense, infinite, boundless, unlimited) | |
| unfixed(uncertain, vague, unknown, general) | |
| bottomless(immense, infinite, boundless, unlimited) | |
| countless(immense, infinite, boundless, unlimited) | |
| doubtful(weak, dark, uncertain, dim) | |
| dreamy | |
| dubious(uncertain, doubtful, vague, unknown) | |
| eternal | |
| everlasting | |
| illimitable(immense, infinite, boundless, unlimited) | |
| immeasurable(immense, infinite, boundless, unlimited) | |
| indeterminable(vague, unknown, general, unclear) | |
| innumerable(vague, unknown, general, ambiguous) | |
| loose(open, vague, unknown, general) |
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| APA | Smart Define. (2015). undefined thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undefined/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undefined thesaurus" https://smartdefine.org/undefined/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, undefined thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undefined/thesaurus/synonyms>. |
| MLA | Smart Define. "undefined thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/undefined/thesaurus/synonyms> |