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

The idea is simply to reduce overall inertia and make an already manic machine even more eager to change direction (and even easier to lift the front wheel). — New Atlas, 16 Sep. 2026

For veterans of past crises, the congressional inertia is baffling. — ABC News, 15 Sep. 2026

Those struggling with sleep inertia could benefit from multiple alarms or hitting snooze. — Jeff Wagner, CBS News, 8 Sep. 2026

The abundance critique is that there are abundant opportunities to grow being held back by excessive regulation, planning and conditions of the sort mentioned above, which can create inertia in the system. — Mariana Mazzucato, Fortune, 8 Sep. 2026