grog

Preserved but no longer current.

Meaning · English

Rum and water. Grog was first introduced into the navy about the year 1740, by Admiral Vernon, to prevent the sailors intoxicating themselves with their allowance of rum, or spirits. Groggy, or groggified; drunk.

Era: ca. 1811 (Georgian)

Where it’s used: Origin British & Irish English
Sources & notes

Historical definition reproduced from Grose’s Dictionary of the Vulgar Tongue (1811 edition, public domain; Project Gutenberg #5402, retrieved 2026-07-31). Reflects the attitudes of its era.

Common questions

What does “grog” mean?

Rum and water. Grog was first introduced into the navy about the year 1740, by Admiral Vernon, to prevent the sailors intoxicating themselves with their allowance of rum, or spirits. Groggy, or groggified; drunk.

Is “grog” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.