Synonyms|46Antonyms|0|Broader|0Narrower|0Related|11

5 entries under idiom topic. ×

3
letter box(noun, expression, box, mailbox)
1
mail drop(noun, expression, mailbox, maildrop)
1
pillar box(noun, expression, mailbox, postbox)
0
call box
0
post box
For more, visit Letterbox on Power Thesaurus
13 years ago|1.5k views|share |citing 
APASmart Define. (2013). letterbox thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/letterbox/thesaurus/synonyms
ChicagoSmart Define. 2013. "letterbox thesaurus" https://smartdefine.org/letterbox/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2013, letterbox thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/letterbox/thesaurus/synonyms>.
MLASmart Define. "letterbox thesaurus" 17 June 2013. Web. 26 September 2026. <https://smartdefine.org/letterbox/thesaurus/synonyms>