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

Someone who is depressed can often wake up feeling fatigued, and the sleep inertia that normally lasts around 20 minutes for someone who is not depressed can instead last several hours, Harvey said. —Taylor Nicioli, CNN, 14 Mar. 2025

For all its inertia, Washington, D.C., is a place where very little stays the same for long. —Phil Singer, Forbes, 12 Mar. 2025

Gill said the Fuel Accelerator HealthTech program, which started in 2023, was built on much of the inertia from Northwest Arkansas’ growing presence as a hub for healthcare innovation. —Tony Madden, arkansasonline.com, 27 Feb. 2025

According to his interpretation of inertia, the helicopter would travel farther than the Earth's surface beneath it due to the Earth's rotation. —Matt Robison, Newsweek, 25 Feb. 2025