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

Many games emphasize inertia, momentum, and the difficulty of stopping or redirecting large masses. — Alan Bradley, Space.com, 2 Aug. 2026

The myth was always more inertia and bias than market reality. — Marissa R. Moss, Rolling Stone, 29 July 2026

Rekindling the product-first focus may mean bringing that fire to only some devices, like foldables or glasses, while creating small, passionate groups that can bypass the institutional inertia of the larger organization. — Sebastian Herrera, Fortune, 25 July 2026

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