energy

1 a spiritual force that is held to emanate from or give animation to living beings many Eastern cultures believe in the significance of life energy in the healing process Synonyms aura, chi (or ch'i also qi), ki, vibe(s), vibration(s) Related Words inner light, light, nature, orgone, soul, spirit; élan vital, life, lifeblood, Shakti (also Sakti), world soul; karma, mana

2 active strength of body or mind for a woman of advanced years, she has remarkable energy Synonyms beans, bounce, brio, dash, drive, dynamism, vigor, esprit, gas, get-up-and-go, ginger, go, gusto, hardihood, juice, life, moxie, oomph, pep, punch, sap, snap, starch, verve, vim, vinegar, vitality, zing, zipRelated Words animal spirits, animation, briskness, jauntiness, liveliness, snappiness, spirit, spiritedness, sprightliness, spunk, spunkiness, vibrance, vibrancy, vivaciousness, vivacity; ardor, élan, fervor, fire, passion, zeal; main, metal, mettle, might, muscle, potency, power, puissance, stamina, strength; brawniness, fitness, hardiness, huskiness, sturdiness, virility; health, healthiness, soundness, verdure, wellnessNear Antonyms indolence, laziness; debilitation, debility, delicacy, disablement, enfeeblement, faintness, feebleness, frailness, frailty, impotence, impotency, infirmity, powerlessness, puniness, slightness, softness, tenderness, weakness; enervation, exhaustion, inanition, prostrationAntonyms lethargy, listlessness, sluggishness, torpidity

3 something with a usable capacity for doing work some of the power needs of the house are provided by solar energy Synonyms fuel, powerRelated Words kindling, propellant (also propellent); force

4 the ability to exert effort for the accomplishment of a task I'm so tired that I don't think I have the energy to take another step Synonyms power, firepower, force, horsepower, might, muscle, potence, potency, puissance, sinew, strength, vigorRelated Words aptitude, capability, capacity, competence, competency; adequacy, effectiveness, effectualness, usefulnessNear Antonyms disability, inability, inaptitude, incapability, incapableness, incapacity, incompetence, incompetency; ineffectiveness, ineffectuality, ineffectualness, inefficaciousness, inefficacy, uselessness; helplessness, paralysisAntonyms impotence, impotency, powerlessness, weakness