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Definitions

active

[ak-tiv] / ˈæk tɪv /
ADJECTIVE
having movement
Synonyms
STRONGEST
alive effective operating
STRONG
flowing functioning going mobile movable operative progressive pushing rapid rolling running rushing rustling shifting simmering speeding streaming traveling turning walking working
WEAK
astir at work bustling efficacious exertive hasty impelling in force in play in process moving restless speedy swarming
Antonyms
STRONG
fixed inoperative unmovable unworking
WEAK
abeyant disinterested dormant idle immobile inactive indifferent inert lazy quiescent quiet sluggish
ADJECTIVE
very involved in activity
Synonyms
STRONGEST
aggressive alive bold busy determined diligent dynamic eager energetic engaged enthusiastic forceful intense keen lively quick ready resolute
STRONG
alert daring fireball jumping pushing rapid sharp whiz
WEAK
agile animated assiduous brisk bustling chipper dashing dexterous enlivened enterprising eventful forcible fresh frisky hard-working high-spirited hyper industrious inventive nimble on the move perky persevering purposeful sprightly spry zealous
Antonyms
STRONGEST
afraid apathetic calm cowardly disinterested dispirited dull idle ignorant inactive indifferent irresolute lazy lethargic lifeless meek quiet slow sluggish stupid uneducated unenthusiastic weak
WEAK
abeyant dormant immobile inert quiescent

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Masters of Albion has been released in early access on the global online PC store Steam, a model which allows users to purchase and play games in active development before their official launch.

From BBC • Apr. 21, 2026

Once they arrived, Scott told the officers that he had paranoid schizophrenia and was having active hallucinations.

From Slate • Apr. 21, 2026

Turnock doesn’t think having compounding pharmacies legally make peptides will help much because they will likely source the active pharmaceutical ingredients from the same labs in China that online suppliers use.

From The Wall Street Journal • Apr. 20, 2026

Further analysis showed that several amino acid-related metabolic pathways were less active under these more realistic conditions.

From Science Daily • Apr. 20, 2026

However, it is likely that we will never understand how spatial teleportation influences the timeline until and unless STSs engage in active teleportation.

From "The First State of Being" by Erin Entrada Kelly

Vocabulary lists containing active

The SAT: Multiple-Meaning Words, List 4

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The New SAT: Multiple-Meaning Words

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List 1

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