Synonyms of inertia

inertia

noun

i-ˈnər-shə 

as in laziness

an inclination not to do work or engage in activities

the inertia that grips so many of the club's members is the reason why nothing ever gets done

Synonyms & Similar Words

• laziness
• idleness
• indolence
• sloth
• shiftlessness
• loafing
• lethargy
• apathy
• sluggishness
• lassitude
• supineness
• languor
• lounging
• listlessness
• lolling
• dallying
• goldbricking

Antonyms & Near Antonyms

• industry
• drive
• initiative
• industriousness
• ambition
• enterprise
• hustle
• energy
• perseverance
• diligence
• go
• vigor
• vitality
• exuberance
• assiduity
• animation
• robustness
• vivacity
• liveliness
• pep
• sprightliness
• briskness
• vibrancy
• assiduousness
• vim
• lustiness
• peppiness
• jazziness

Example Sentences

Recent Examples of inertia

Local officials primarily blame budget concerns, along with political inertia, for the ongoing stalemate. — ABC News, 24 July 2026

Already preparing for its fourth corporate ownership change in the past decade, employees at the company will experience confusion and inertia in the coming months. — Jill Goldsmith, Deadline, 24 July 2026

At idle, the engine has very little rotational inertia and low exhaust flow, so even small restrictions or pressure-wave disturbances can affect combustion stability. — John Paul Senior Manager Public Affairs and Traffic Safety Aaa Northeast, Hartford Courant, 11 July 2026

Their continued presence in the category, at this point, doesn’t register as reflective of their quality but rather voting inertia and a nomination body liable to box-check rather than seriously consider all the candidates. — Wilson Chapman, IndieWire, 10 July 2026