| outstanding | |
| overhanging | |
| painkiller | |
| paramount(adjective, top, excellent, fine, superior) | |
| predominant(adjective, governing, reigning, presiding) | |
| preeminent(adjective, top, excellent, fine, superior) | |
| primary(adjective, top, excellent, fine, superior) | |
| prime(adjective, top, excellent, fine, superior) | |
| principal(adjective, top, excellent, fine, superior) | |
| ranking(adjective, top, high, over, up) | |
| rare | |
| restorative(drug, alcohol, stimulant, refreshment) | |
| reviver(noun, drug, alcohol, stimulant, jollies) | |
| rivaling | |
| roof | |
| roofing | |
| ruling(adjective, top, excellent, fine, superior) | |
| rush | |
| sedative | |
| shot in the arm(noun, expression, idiom, drug, stimulant) |
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| APA | Smart Define. (2016). upper thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/upper/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "upper thesaurus" https://smartdefine.org/upper/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, upper thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/upper/thesaurus/synonyms>. |
| MLA | Smart Define. "upper thesaurus" 10 February 2016. Web. 20 September 2026. <https://smartdefine.org/upper/thesaurus/synonyms> |