energy

nouns

(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs

"energy can take a wide variety of forms"

energy, free energy

is derived from

is derived from

forceful exertion

"he plays tennis with great energy"; "he's full of zip"

energy, vigor, vigour, zip

is derived from

is derived from

is derived from

enterprising or ambitious drive

"Europeans often laugh at American energy"

energy, get-up-and-go, push

is derived from

is derived from

an imaginative lively style (especially style of writing)

"his writing conveys great energy"; "a remarkable muscularity of style"

energy, muscularity, vigor, vigour, vim

is derived from

a healthy capacity for vigorous activity

"jogging works off my excess energy"; "he seemed full of vim and vigor"

energy, vim, vitality

is derived from

is derived from

is derived from

any source of usable power

"the DOE is responsible for maintaining the energy policy"

energy

is a type of (narrower)

a natural phenomenon involving the physical properties of matter and energy