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Definition of outbox
outbox
/ˈaʊtˌbɑːks/
out · box
Plural:outboxes
•Past Simple:outboxed
•Past Participle:outboxed
•Present Participle:outboxing
outbox Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Top 10k
Syllables
2
outbox Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
An electronic folder in an email client or messaging application where outgoing messages are temporarily stored before being transmitted.
Example
"Because the internet connection dropped, the report remained stuck in my outbox until the network was restored."
2
A physical tray or receptacle on an office desk used to hold completed documents and outgoing mail awaiting collection.
Example
"Once you have signed the contracts, please place them in the outbox on the receptionist's desk."
Synonyms
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View all antonyms for outbox• verb
1
To defeat or surpass an opponent in boxing through superior skill, footwork, and strategy rather than raw punching power.
Example
"The challenger managed to outbox the defending champion over twelve rounds to win by a unanimous decision."
Synonyms
View all synonyms for outboxCite this Entry
Wordmom. (2026). Definition of Outbox. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/outbox