Synonyms|4Antonyms|0|Broader|0Narrower|0Related|6
1
postbox
0
letter box(expression, idiom)
0
letterbox
0
mailbox
For more, visit Pillar-box on Power Thesaurus
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APASmart Define. (2013). pillar-box thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/pillar-box/thesaurus/synonyms
ChicagoSmart Define. 2013. "pillar-box thesaurus" https://smartdefine.org/pillar-box/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, pillar-box thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/pillar-box/thesaurus/synonyms>.
MLASmart Define. "pillar-box thesaurus" 18 May 2013. Web. 21 September 2026. <https://smartdefine.org/pillar-box/thesaurus/synonyms>