vigorousness

1 the quality or state of being forceful (as in expression) the vigorousness of the ideas in the essay was surpassed only by the vibrancy of its language Synonyms aggressiveness, assertiveness, emphasis, fierceness, forcefulness, intenseness, intensity, vehemence, violenceRelated Words potency, power, strength; eloquence; ardency, ardor, fervency, fervidness, fervor, insistence, passion, warmth; stridency, vociferousness; absoluteness, clearness, directness, incision, incisiveness, plainness, straightforwardness, vividnessNear Antonyms ambiguity, equivocation; delicacy, lightness, subtletyAntonyms feebleness, mildness, weakness

2 the quality or state of having abundant or intense activity the record-breaking holiday sales reflect the vigorousness of the economy Synonyms animation, briskness, exuberance, jazziness, liveliness, lustiness, peppiness, robustness, sprightliness, vibrance, vibrancy, vitalityRelated Words buoyancy, jauntiness, springiness; brightness, cheer, cheerfulness, chirpiness, effervescence, friskiness, pizzazz (or pizazz), sparkle, spirit, verve, vivaciousness, vivacity; eagerness, ebullience, ebulliency, enthusiasm, keenness, spiritedness; friskiness, impishness, pertness, playfulnessNear Antonyms indolence, laziness; anemia, bloodlessness; languidness, languor, lethargy, limpness, listlessness, sleepiness, sluggishness, spiritlessness, torpidity, torpor, weariness; apathy, impassivity; dullness (also dulness), pallidness, tediousness, tedium, vapidity, vapidnessAntonyms inactivity, lifelessness