inactivity

1 lack of action or activity the inactivity outside the school led me to think that it must have been vacation week Synonyms dormancy, idleness, inaction, inertness, nonaction, quiescenceRelated Words indolence, inertia, languor, lassitude, laziness, lethargy, listlessness, shiftlessness, sleepiness, sloth, sluggishness; dallying, loafing, lolling, loungingNear Antonyms animateness, briskness, exuberance, jazziness, liveliness, peppiness, robustness, sprightliness, vibrancy, vivacity; assiduity, assiduousness, business, diligence, employment, industriousness, industry, occupationAntonyms action, activeness, activity

2 lack of use after weeks of inactivity, the car wouldn't start Synonyms desuetude, idleness, disuseRelated Words abandonment, desertion, neglect; abeyance, dormancy, latency, quiescenceAntonyms use