Energy1. (n.) Internal or inherent power; capacity of acting, operating, or producing an effect, whether exerted or not; as, men possessing energies may suffer them to lie inactive.
2. (n.) Power efficiently and forcibly exerted; vigorous or effectual operation; as, the energy of a magistrate.
3. (n.) Strength of expression; force of utterance; power to impress the mind and arouse the feelings; life; spirit; -- said of speech, language, words, style; as, a style full of energy.
4. (n.) Capacity for performing work.
Thesaurus Entries
activity, amperage, animation, application, ardor, armipotence, assiduity, assiduousness, authority, beef, birr, black power, breeziness, briskness, brute force, bubbliness, charge, charisma, clout, cogence, cogency, compulsion, concentration, dash, decisiveness, determination, diligence, dint, drive, duress, dynamism, ebullience, effect, effectiveness, effectuality, effervescence, efficacy, effort, elan, elbow grease, endeavor, endurance, energeticalness, exertion, fervor, flower power, force, force majeure, forcefulness, fortitude, full blast, full force, get-up-and-go, go, guts, gutsiness, hard pull, hardihood, hardiness, heartiness, indefatigability, industriousness, industry, influence, intensity, intestinal fortitude, laboriousness, life, liveliness, long pull, lustihood, lustiness, main force, main strength, mana, might, might and main, mightiness, moxie, muscle, muscle power, nerve and sinew, obstinacy, pains, pep, peppiness, piss and vinegar, pizzazz, poop, potence, potency, potentiality, power, power pack, power structure, power struggle, powerfulness, prepotency, productiveness, productivity, puissance, pull, punch, push, relentlessness, robustness, ruggedness, sedulity, sedulousness, sinew, spirit, spiritedness, sprightliness, stalwartness, stamina, staying power, steam, sticking power, stoutness, strength, strength of will, strenuousness, strong arm, sturdiness, superiority, superpower, tirelessness, toughness, trouble, tuck, unsparingness, validity, vehemence, verve, vigor, vigorousness, vim, virility, virtue, virulence, vitality, vivaciousness, vivacity, wattage, weight, zealousness, zing, zip