Synonyms|30Antonyms|0|Broader|2Narrower|1Related|16
9
mailbox(noun, american)
5
letter box(noun, expression, idiom, box)
4
letterbox
2
letter-box
2
pillar-box
1
post office box(expression, idiom)
1
drop
1
pillar box(noun, expression, idiom)
1
post box(expression, idiom)
0
box
0
call box(expression, idiom)
0
collection box
0
collection point
0
compartment
0
letter drop
0
mail box
0
mail drop(expression, idiom)
0
mailbag
0
mailboxes
0
maildrop
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APASmart Define. (2015). postbox thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/postbox/thesaurus/synonyms
ChicagoSmart Define. 2015. "postbox thesaurus" https://smartdefine.org/postbox/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, postbox thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/postbox/thesaurus/synonyms>.
MLASmart Define. "postbox thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/postbox/thesaurus/synonyms>