in/into high gear

phrase

: in or into a state of great or intense activity
The project is now in high gear.
Fuel prices are expected to rise as the summer travel season kicks/moves into high gear.

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“In/into high gear.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%2Finto%20high%20gear. Accessed 13 Mar. 2026.

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