Synonyms|127Antonyms|3|Broader|6Narrower|4Related|70
0
pebble stone(expression, idiom)
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pellet
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pelote
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petrosal bone(expression, idiom)
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petrous bone(expression, idiom)
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petrous part of temporal bone(expression, idiom)
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pill
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pinnacle
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planetary
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pommel
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precious stone(expression, idiom)
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prehistoric monument
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prolate spheroid(expression, idiom, rotundity)
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promontory
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quaint
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quartzite
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river boulder(expression, idiom)
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roc
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rocky outcrop
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round stone(expression, idiom)
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APASmart Define. (2016). boulder thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/boulder/thesaurus/synonyms
ChicagoSmart Define. 2016. "boulder thesaurus" https://smartdefine.org/boulder/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, boulder thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/boulder/thesaurus/synonyms>.
MLASmart Define. "boulder thesaurus" 23 February 2016. Web. 21 September 2026. <https://smartdefine.org/boulder/thesaurus/synonyms>