fourth gear
Proposed by a contributor, not yet supported by evidence.
Meaning · English
at full speed or maximum effort
Literally: a gear in a vehicle's transmission
Where it’s used:
Used
Widespread English
Examples
The team shifted into fourth gear and won the game
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Common questions
What does “fourth gear” mean?
at full speed or maximum effort Literally: a gear in a vehicle's transmission
Is “fourth gear” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.