- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
6 entries under expression topic. ×
| not valuable(adjective, idiom, poor, loss-making) | |
| free spirited(vague, restricted, ambiguous) | |
| off the hook(idiom, vague, restricted, ambiguous) | |
| second rate | |
| uncalled for | |
| free of charge |
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| APA | Smart Define. (2015). costly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/costly/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "costly thesaurus" https://smartdefine.org/costly/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, costly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/costly/thesaurus/antonyms>. |
| MLA | Smart Define. "costly thesaurus" 24 December 2015. Web. 22 September 2026. <https://smartdefine.org/costly/thesaurus/antonyms> |