spout off
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
To speak in a particularly boastful or arrogant manner.
Register: informal
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
To speak for a tedious or exasperating length of time.
Register: informal
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
Meaning · English
To utter something in a brash, unwelcome, or unpleasant manner.
Register: informal
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “spout off” mean?
To speak in a particularly boastful or arrogant manner.
Is “spout off” formal or informal?
spout off is generally informal.