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

Voting inertia rears its head for The Bear’s largely forgettable fourth season. — Roxana Hadadi, Vulture, 8 July 2026

Kit Harington was also a highlight, and the fact that none of those actors got nominated really tells me that the Emmy voters are still stuck in inertia. — Caroline Mimbs Nyce, New Yorker, 8 July 2026

Hayabusa2 also imaged asteroid Torifune using its Mid-Infrared Camera (TIR), which allows scientists to measure asteroids' surface temperatures, thermal inertia and surface roughness, according to JAXA. — Brett Tingley, Space.com, 6 July 2026

Even at its peak, #MeToo felt seismic precisely because the movement was an aberration from the historical norm; nearly a decade later, that norm has reasserted itself with inertia on its side. — Alison Herman, Variety, 30 June 2026