Inertia

Antonyms of INERTIA

robustness, action, sprightliness, exuberance, ambition, lustiness, assiduity, industry, assiduousness, busyness, industriousness, pep, vivacity, life, diligence, energy, vibrancy, initiative, vigor, go, animation, peppiness, liveliness, activeness, activity, vim, briskness, jazziness, enterprise, vitality, hustle, drive, perseverance, moving.