top gear

noun

Definition of top gear

British
1 : a vehicle's highest gear She got to the highway and shifted into top gear.
2 : a state of great or intense activity The project is now in top gear. The party hit top gear when the guest of honour arrived.

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“Top gear.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/top%20gear. Accessed 11 Aug. 2020.

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