Find Antonyms
outbox Antonyms
Opposite of outbox
Because the opposite of outbox shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• noun (Context 1)
An electronic folder in an email client or messaging application where outgoing messages are temporarily stored before being transmitted.
Usage Example
"Because the internet connection dropped, the report remained stuck in my inbox until the network was restored."
Strongest
inbox
• noun (Context 2)
A physical tray or receptacle on an office desk used to hold completed documents and outgoing mail awaiting collection.
Usage Example
"Once you have signed the contracts, please place them in the inbox on the receptionist's desk."
Strongest
inbox
in-tray
Similar words to outbox
Words similar to outbox shift depending on context. Common synonyms include:
out-tray
outfight
outpoint
outclass
outmaneuver
Cite this Entry
Wordmom. (2026). Antonyms for Outbox. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/outbox