Synonyms of inactivity

inactivity

noun

1

as in inertia

lack of action or activity

the inactivity outside the school led me to think that it must have been vacation week

Synonyms & Similar Words

• inertia
• inaction
• idleness
• inertness
• quiescence
• dormancy
• laziness
• sleepiness
• lethargy
• nonaction
• indolence
• sloth
• sluggishness
• loafing
• lounging
• lassitude
• languor
• shiftlessness
• listlessness
• lolling
• dallying

Antonyms & Near Antonyms

• activity
• action
• activeness
• exuberance
• vivacity
• robustness
• liveliness
• employment
• sprightliness
• briskness
• occupation
• industry
• vibrancy
• diligence
• business
• industriousness
• assiduity
• animateness
• jazziness
• peppiness
• assiduousness

2

as in neglect

lack of use

after weeks of inactivity, the car wouldn't start

Synonyms & Similar Words

• neglect
• disuse
• abandonment
• idleness
• desuetude
• desertion
• abeyance
• latency
• quiescence
• dormancy

Antonyms & Near Antonyms

• use

Example Sentences

Recent Examples of inactivity

Months of inactivity allow microbes, algae, barnacles and other invertebrates to colonize submerged surfaces. — Monica Sanders, Forbes.com, 18 Aug. 2026

By adolescence, physical inactivity is already common, with only 20-26% of teens reporting meeting physical activity guidelines. — Sadiya S. Khan, Time, 16 Aug. 2026

With the opponent’s next drive, plus media timeouts, or maybe Butker’s own offense stalling without a scoring opportunity, the inactivity adds up in real time. — Blair Kerkhoff, Kansas City Star, 6 Aug. 2026

Fish that spent more of their inactive, sleep-like periods at night generally lived longer, while those that showed more inactivity during the day — the fish version of an afternoon nap — tended to have shorter lifespans. — Panashe Matemba-Mutasa, Mercury News, 5 Aug. 2026

Hypertension and diabetes share some risk factors, including physical inactivity, obesity, poor diet, alcohol intake and smoking, experts said. — Kristen Rogers, CNN Money, 5 Aug. 2026

Following a slow day of transactions and inactivity on Saturday, Zoll’s group experienced sticker shock on Sunday as sellers across the league sought high paydays for their relievers. — Dan Hayes, New York Times, 4 Aug. 2026

Poor sleep, an unhealthy diet, inactivity, heavy drinking and smoking can all worsen the picture. — Samantha Agate, Charlotte Observer, 27 July 2026

During long periods of inactivity, blood flow still slows, large muscles remain underused, and metabolic processes become less efficient, regardless of your fitness level. — Jakob Roze, Health, 23 July 2026