Synonyms|20Antonyms|0|Broader|3Narrower|1Related|4

5 entries under expression topic. ×

2
mail slot(noun, mailbox)
1
letter drop(noun, box, mailbox, letterbox)
1
pillar box(noun, idiom, box, mailbox)
0
mail box
0
post box
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APASmart Define. (2015). letter box thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/letter_box/thesaurus/synonyms
ChicagoSmart Define. 2015. "letter box thesaurus" https://smartdefine.org/letter_box/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, letter box thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/letter_box/thesaurus/synonyms>.
MLASmart Define. "letter box thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/letter_box/thesaurus/synonyms>