Characterised by force or vigour; full of energy; lively, vigorous.
Possessing or pertaining to energy.
Any material utilized for its release of energy, either as an explosive, propellant, or for pyrotechnic effects.
Something trifling, or of no consequence or importance.
A trivial remark especially in the term sweet nothings.
A nobody (insignificant person).
Not any thing; no thing.
An absence of anything, including empty space, brightness, darkness, matter, or a vacuum.