Word Type

Adjective

Adjective

Noun

The word "inactive" can be used as adjective, adjective and noun.

Word Relationships

Opposites (Antonyms)

active active

Derived Terms

bioinactive inactivate inactivation inactive ingredient inactively inactiveness inactivity inactose photoinactive

Etymologically Related To

unactive

Context

chemistry pathology physics

Narrower Terms (Hyponyms)

asleep calm dead hibernating lazy obsolete stationary vegetative

Related Terms

delayed

Related Terms

active activity broken down duty functioning inactivity inert lethargic light operating optical permanently polarized relatively retired service temporarily

Similar Terms

abeyant abeyant dark dark dead dead dead end dead-end desk bound desk-bound deskbound dormant dull flat flat hands-off hypoactive idle indolent indolent inert latent latent lethargic nonmoving off off quiescent quiescent resistless retired retired sedentary sedentary slow sluggish sluggish soggy strikebound strikebound supine torpid underactive underactive unenergetic unmoving unreactive unreactive unresisting unused unused

Synonym Network

dormant dull idle motionless nonoperational passive

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.