27 entries under boundless topic. ×
| indefinite(adjective, rough, uncertainty, uncertain, doubtful) | |
| unlimited(adjective, uncertain, vague, unknown, general) | |
| limitless(adjective, infinite, unlimited, unbounded) | |
| endless(adjective, immense, infinite, unlimited) | |
| infinite(adjective, vague, unknown, general, unclear) | |
| unbounded(adjective, immense, infinite, unlimited) | |
| vast(adjective, immense, infinite, unlimited) | |
| unending(adjective, immense, infinite, unlimited) | |
| bottomless(adjective, immense, infinite, unlimited) | |
| countless(adjective, immense, infinite, unlimited) | |
| illimitable(adjective, immense, infinite, unlimited) | |
| immeasurable(adjective, immense, infinite, unlimited) | |
| innumerable(adjective, vague, unknown, general, ambiguous) | |
| immense(adjective, infinite, unlimited, unbounded) | |
| inexhaustible(adjective, vague, unknown, general, unclear) | |
| numberless(adjective, immense, infinite, unlimited) | |
| unfathomable(adjective, doubtful, vague, unclear, ambiguous) | |
| incomprehensible(immense, infinite, unlimited, unbounded) | |
| measureless(immense, infinite, unlimited, unbounded) | |
| never-ending(adjective, immense, infinite, unlimited) |
For more, visit
Undefined on
Power Thesaurus
| APA | Smart Define. (2015). undefined thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/undefined/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undefined thesaurus" https://smartdefine.org/undefined/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, undefined thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/undefined/thesaurus/synonyms>. |
| MLA | Smart Define. "undefined thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/undefined/thesaurus/synonyms> |