- Definitions|1
- Thesaurus|348
- Abbreviations|0
30 entries under expression topic. ×
| source of emission | |
| source of river | |
| source of water | |
| source path | |
| source species | |
| source substance | |
| top dog | |
| top part(noun, start, beginning, opening) | |
| ultimate cause(noun, beginning, origin, birth) | |
| water source(source, upwelling) |
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| APA | Smart Define. (2015). fountainhead thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fountainhead/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fountainhead thesaurus" https://smartdefine.org/fountainhead/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, fountainhead thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fountainhead/thesaurus/synonyms>. |
| MLA | Smart Define. "fountainhead thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/fountainhead/thesaurus/synonyms> |