Find Antonyms

mailbox Antonyms

Opposite of mailbox

Pinning down the opposite of mailbox requires matching its exact sense, so the antonyms and opposite words below are paired with a clear noun definition and ranked by contrast strength.
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• noun (Context 1)

An electronic folder or digital space where emails or digital messages are received, stored, and organized.

Usage Example

"Upon returning from his vacation, he found over five hundred unread messages waiting in his outbox."

Strong
outbox

Similar words to mailbox

Words similar to mailbox shift depending on context. Common synonyms include:

postbox
post box
inbox
letterbox
letter box
pillar box
drop box
See all synonyms of mailbox

• Nearby Words

maidservant
mail
mailable
mailbox
mailer
maim
main

Cite this Entry

Wordmom. (2026). Antonyms for Mailbox. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/mailbox
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