Definition of negative energy in US English:

negative energy

noun

  • 1Physics. Energy in a (notional or hypothetical) form that is negative in quantity or magnitude; (in recent use also) specifically such energy associated with exotic matter.

  • 2In various contexts: a form of energy supposed to be detrimental, discouraging, or unproductive.

Origin

Early 19th century; earliest use found in Humphry Davy (1778–1829), chemist and inventor. From negative + energy.

Pronunciation

negative energy

/ˌnɛɡətɪv ˈɛnədʒi/