Synonyms|20Antonyms|0|Broader|3Narrower|1Related|4
4
mailbox(noun, box, letterbox, postbox)
4
postbox(noun, box, mailbox, letterbox)
3
PO Box
2
POB
2
Post-Office box
2
mail slot(noun, expression, mailbox)
1
call box
1
drop
1
letter drop(noun, expression, box, mailbox, letterbox)
1
letterbox(noun, box, mailbox, postbox)
1
mail drop(noun, box, postbox)
1
pillar box(noun, expression, idiom, box, mailbox)
0
in-box
0
letter-box
0
mail-box
0
mail box(expression, idiom)
0
maildrop(noun, mailbox, postbox)
0
pillar-box
0
post box(expression, idiom)
0
postboxes
For more, visit Letter_box on Power Thesaurus
11 years ago|562 views|share |citing 
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>