- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
104 entries under costly topic. ×
| precious(adjective, excellent, value, important, exceptional) | |
| priceless(adjective, good, great, excellent, fine) | |
| valuable(adjective, fancy, excellent, sensible, value) | |
| dear(adjective, fancy, important, useful, high) | |
| expensive(adjective, important, useful, valuable, rare) | |
| helpful(adjective, strong, sensible, important, useful) | |
| inestimable(adjective, value, important, useful, valuable) | |
| worthy(adjective, excellent, sensible, value, important) | |
| high-priced(adjective, fancy, important, useful, high) | |
| rich(adjective, exceptional, extravagant, valuable, lavish) | |
| extravagant(adjective, fancy, high, lavish, expensive) | |
| worthwhile(adjective, excellent, honest, sensible, important) | |
| serviceable(adjective, friendly, sensible, important, useful) | |
| unreasonable(adjective, fancy, high, extravagant, lavish) | |
| exorbitant(adjective, fancy, high, extravagant, lavish) | |
| pricey(adjective, fancy, high, lavish, expensive) | |
| high(adjective, good, great, fancy, excellent) | |
| inordinate(adjective, fancy, high, extravagant, lavish) | |
| prized(adjective, important, useful, valuable, rare) | |
| steep(adjective, fancy, high, expensive, exclusive) |
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| APA | Smart Define. (2015). invaluable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/invaluable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "invaluable thesaurus" https://smartdefine.org/invaluable/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, invaluable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/invaluable/thesaurus/synonyms>. |
| MLA | Smart Define. "invaluable thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/invaluable/thesaurus/synonyms> |