Antonyms for action

an aggressive military deed:

retreat, agreement, truce.

individual deed:

failure, defeat, neglect.

something done:

inactivity, idleness, stoppage, cessation, quiet, apathy, indolence, stiffness, harmony, surrender, inertia, calm, dullness, repose, yielding, inaction, lethargy, weakness, slowness, question, calmness, unemployment, laziness, stillness, peace, rest.

noun:

laziness, deliberation, suspension, hesitation, quiescence, quiet, lethargy, cessation, reluctance, inertia, endurance, rest, indolence, suffering, immobility, diffidence, faintheartedness, passivity, timidity, passion.