hypercaffeinated

As a noun terms

is .

As an adjective hypercaffeinated is

(informal) intensely peppy and energetic, as after consuming large amounts of caffeine.

As a noun caffeine

is an alkaloid, c₈h₁₀n₄o₂, found naturally in tea and coffee plants which acts as a mild stimulant of the central nervous system.

As an adjective hypercaffeinated is

(informal) intensely peppy and energetic, as after consuming large amounts of caffeine.

As adjectives the difference between energetic and hypercaffeinated

is that energetic is possessing, exerting, or displaying energy while hypercaffeinated is (informal) intensely peppy and energetic, as after consuming large amounts of caffeine.

As adjectives the difference between peppy and hypercaffeinated

is that peppy is full of pep; energetic, cheerful, and vigorous; bouncy while hypercaffeinated is (informal) intensely peppy and energetic, as after consuming large amounts of caffeine.