Synonyms of inactive

inactive

adjective

(ˌ)i-ˈnak-tiv 

1

as in sleepy

slow to move or act

it's easiest to catch snakes early in the morning, while they're still cold and inactive

Synonyms & Similar Words

• sleepy
• quiescent
• dull
• inert
• lethargic
• sluggish
• torpid
• motionless
• lazy
• resting
• dormant
• static
• sedentary
• apathetic
• listless
• indolent
• slothful
• shiftless
• still
• asleep
• slack
• inanimate
• dead
• languorous
• drugged
• ambitionless
• lazyish
• comatose
• drowsy
• dopey
• catatonic
• sluggardly
• sluggard
• somnambulant

Antonyms & Near Antonyms

• active
• engaged
• busy
• occupied
• working
• dynamic
• vigorous
• energetic
• vital
• kinetic
• lively
• spirited
• animated
• vivacious
• bouncing
• sprightly
• diligent
• industrious
• hardworking
• assiduous
• perky
• springy
• peppy
• zippy
• sedulous

2

as in dormant

not being in a state of use, activity, or employment

an inactive oil well

Synonyms & Similar Words

• dormant
• off
• vacant
• idle
• unused
• inert
• dead
• latent
• inoperative
• free
• at rest
• out of commission
• fallow
• on the shelf
• suspended
• useless
• unoccupied
• quiescent
• unusable
• interrupted
• asleep
• arrested
• comatose
• lifeless
• moribund
• slow
• sleepy
• inoperable
• unworkable
• abeyant
• dull

Antonyms & Near Antonyms

• active
• operating
• busy
• on
• operative
• functioning
• alive
• working
• employed
• operational
• functional
• living
• going
• workable
• operable
• running
• industrious
• useful
• vigorous
• energetic
• practical
• viable
• feasible
• usable
• assiduous
• sedulous

Synonym Chooser

How is the word inactive different from other adjectives like it?

Some common synonyms of inactive are idle, inert, passive, and supine. While all these words mean "not engaged in work or activity," inactive applies to anyone or anything not in action or in operation or at work.

on inactive status as an astronaut

inactive accounts

When could idle be used to replace inactive?

In some situations, the words idle and inactive are roughly equivalent. However, idle applies to persons that are not busy or occupied or to their powers or their implements.

workers were idle in the fields

When can inert be used instead of inactive?

The words inert and inactive can be used in similar contexts, but inert as applied to things implies powerlessness to move or to affect other things; as applied to persons it suggests an inherent or habitual indisposition to activity.

inert ingredients in drugs

an inert citizenry

When is it sensible to use passive instead of inactive?

The words passive and inactive are synonyms, but do differ in nuance. Specifically, passive implies immobility or lack of normally expected response to an external force or influence and often suggests deliberate submissiveness or self-control.

passive resistance

When is supine a more appropriate choice than inactive?

The meanings of supine and inactive largely overlap; however, supine applies only to persons and commonly implies abjectness or indolence.

a supine willingness to play the fool

Example Sentences

Recent Examples of inactive

Instead of surrounding each waveguide with inactive insulating material, the researchers arranged the four regions in a repeating cyclic pattern. — Rupendra Brahambhatt, Interesting Engineering, 1 Aug. 2026

Your Muscle Weakness May Increase When sitting for extended periods, your glute, core, and leg muscles remain relatively inactive. — Kristen Gasnick, Verywell Health, 29 July 2026

Before he was from20, Kim Raehwan was known simply as Raehwan and the main vocalist of BIGSTAR, a boy band under hitmaker Brave Brothers’ Brave Entertainment agency that slowly fizzled out after years inactive. — Jeff Benjamin, Forbes.com, 27 July 2026

The Interior Department wants the public to weigh in on one idea for what to do with hundreds of inactive offshore oil platforms, The Washington Post reports. — Stephen Clark, ArsTechnica, 24 July 2026