running

1 being in effective operation the car has been running for almost an entire day Synonyms alive, functional, functioning, going, live, living, on, operating, operational, operative, active, workingRelated Words effective, effectual; employable, operable, usable (also useable), viable, workable; performing, producing, productive, serving, useful, yielding; astir, bustling, busy, dynamic, flourishing, humming, roaring, thrivingNear Antonyms deactivated, decommissioned; ineffective, ineffectual, useless; inoperable, unusable, unworkable; arrested, asleep, dormant, fallow, idle, inert, latent, lifeless, nonproductive, quiescent, sleepy, stagnating, unproductive, vegetatingAntonyms broken, dead, inactive, inoperative, kaput (also kaputt), nonactivated, nonfunctional, nonfunctioning, nonoperating, nonoperational, nonoperative

2 going on and on without any interruptions a running struggle just to make ends meet Synonyms ceaseless, continual, continued, continuing, incessant, nonstop, perpetual, continuous, unbroken, unceasing, uninterrupted, unremittingRelated Words dateless, deathless, endless, eternal, everlasting, immortal, interminable, permanent, undying, unending; changeless, constant, stable, steady, unchanging, unvarying; durable, enduring, lasting, persistent; imperishable, indestructibleNear Antonyms intermittent, periodic, periodical, recurrent, recurring; alternate, alternating, cyclic (or cyclical), rhythmic (or rhythmical), seasonal, serial; erratic, fitful, irregular, occasional, spasmodic, sporadic, spotty, unsteadyAntonyms discontinuous, noncontinuous