Synonyms|171Antonyms|22|Broader|3Narrower|0Related|4
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noblesse(nobility, aristocracy, gentry)
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on top of heap(expression, adjective, idiom, rich, thriving)
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opulent(adjective, rich, thriving, successful)
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palmy(adjective, rich, thriving, successful)
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passage
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pathway
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pick(noun, elite, druthers)
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principal route(noun, expression, line)
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prospering(adjective, rich, thriving, successful)
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rail route(noun, expression, line)
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rich(adjective, thriving, successful)
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roaring(adjective, rich, thriving, successful)
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robust(adjective, rich, thriving, successful)
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route
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select few(noun, expression, best, elect, chosen)
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sewer
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sitting pretty(expression, adjective, rich, thriving, successful)
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snug(adjective, rich, thriving, successful)
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substantial(adjective, rich, thriving, successful)
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thoroughfare
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APASmart Define. (2015). main line thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/main_line/thesaurus/synonyms
ChicagoSmart Define. 2015. "main line thesaurus" https://smartdefine.org/main_line/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, main line thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/main_line/thesaurus/synonyms>.
MLASmart Define. "main line thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/main_line/thesaurus/synonyms>