INACTIVITY Synonyms: 50 Similar and Opposite Words

inactivity

noun

Definition of inactivity

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

Relevance

Antonyms & Near Antonyms

as in neglect

lack of use after weeks of inactivity, the car wouldn't start

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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 Risk factors could include poor overall health, aging, inactivity, underlying illness, inflammation, or metabolic issues, Mendez said. — Allison Forsyth, HEALTH, 17 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

Recent Examples of Synonyms for inactivity

Noun

The Torcal’s response on-center is deliberately somewhat muted, progressing as the driver turns the wheel, helping maintain the illusion that the Torcal’s mere inertia is sufficient to carry it through irregularities in the path ahead.

— Byron Hurd, The Drive, 27 Aug. 2026
The air temperature did not change much, probably due to the thermal inertia of the surrounding water.

— Joe Rao, Space.com, 20 Aug. 2026

Definition of inertia

Noun

Both Walter and Lefever have pleaded not guilty to three counts of chronic neglect of a child causing great bodily harm and two counts of chronic neglect of a child causing emotional damage, his online records show.

— Samira Asma-Sadeque, PEOPLE, 26 Aug. 2026
Iron Jane follows Janie John (González), who after a childhood shaped by neglect and invisibility, is pulled into a world that finally sees her, where pain is power and bodies are built, not born.

— Matt Grobar, Deadline, 25 Aug. 2026

Definition of neglect

Noun

The organizations that waited on cybersecurity were more likely to find that the cost of inaction far exceeded the cost of preparation.

— Rhett Alden, Forbes.com, 21 Aug. 2026
Evan Curbeam, 29, was found dead near Fells Point in 2013; his father publicly criticized the city’s inaction the following year.

— Joseph V. Sakran, Baltimore Sun, 15 Aug. 2026

Definition of inaction

Noun

Built into a natural ravine, the stadium’s site was used for ancient Greek athletic contests and later Roman spectacles before falling into centuries of disuse.

— ABC News, ABC News, 16 Aug. 2026
So long as effective communication persists, the reflex to mourn the disuse of a language can be motivated only by something else—nostalgia or, perhaps, the loss of a group’s ability to easily demarcate itself.

— The New Yorker, New Yorker, 10 Aug. 2026

Definition of disuse

Noun

This isn't due to idleness, but often because workers finish tasks early, sometimes hours before the workday ends, especially with AI boosting efficiency.

— Barnaby Lashbrooke, Forbes.com, 21 Aug. 2026
By all accounts, Katherine was a formidable presence—intellectually engaged, fluent in multiple languages, a guiding force in her children’s lives—and the painting honors that, depicting her reading rather than posing in decorative idleness.

— Carmen Rosenberg-Miller, Artforum, 6 Aug. 2026

Definition of idleness

Noun

But that means in his own mind the abandonment and betrayal of his sense of identity as a tennis player who never gives up, who has staged so many comebacks.

— John Hopewell, Variety, 19 Aug. 2026
The region’s leaders complained endlessly of feeling abandoned but never behaved as if abandonment were a significant possibility.

— MARC LYNCH, Foreign Affairs, 18 Aug. 2026

Definition of abandonment

Browse Nearby Words

inactivities

inactivity

in actuality

See all Nearby Words

Cite this Entry

Style

“Inactivity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/inactivity. Accessed 30 Aug. 2026.

Copy Citation

Synonyms of inactivity

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

illustrious

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

What's the difference between 'fascism' and 'socialism'?

Commonly Misspelled Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

The Words of the Week - Aug. 28

Why do we say 'break a leg'?

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes