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

Using these, scientists were able to model the moment of inertia and Vesta's interior structure. —Keith Cooper, Space.com, 6 May 2025

Yelena, played by Pugh with a keen awareness of the hollow inertia that fuels despair, wants to retire but agrees to perform one final assignment for a big backstabber with too much power, CIA director Valentina Allegra de Fontaine (Julia Louis-Dreyfus). —Randy Myers, Mercury News, 30 Apr. 2025

His radically inferior Black Panther sequel was rewritten in a scramble following the death of star Chadwick Boseman, and its very existence can be seen both as a testament to corporate inertia and a big, forgivable asterisk on an otherwise stellar CV. —Paul A. Thompson, Pitchfork, 22 Apr. 2025

Long before the full-scale war in Ukraine, and thanks to Putin’s repression, Russian society suffered from inertia and learned helplessness. —Alexander Gabuev, Foreign Affairs, 17 Apr. 2025