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Definitions

action

[ak-shuhn] / ˈæk ʃən /
NOUN
something done
Synonyms
STRONGEST
activity deal force life movement operation plan process reaction response
STRONG
agility alacrity alertness animation ballgame bit business bustle commotion dash energy enterprise flurry functioning game happening hoopla hopper industry liveliness motion occupation power proposition racket rush scene spirit stir stunt turmoil vigor vim vitality vivacity
WEAK
big idea in the works
Antonyms
STRONGEST
idleness inaction inactivity
STRONG
calm calmness dullness harmony indolence laziness lethargy peace quiet repose rest slowness stillness
WEAK
apathy inertia stoppage
NOUN
individual deed
Synonyms
STRONGEST
act effort exercise maneuver move operation performance procedure step
STRONG
accomplishment achievement dealings doing enterprise execution exertion exploit feat handiwork manipulation stroke thrust transaction undertaking
NOUN
a legal process
Synonyms
STRONGEST
case claim lawsuit litigation proceeding prosecution suit
STRONG
cause
NOUN
an aggressive military deed
Synonyms
STRONGEST
conflict fight fighting
STRONG
battle combat contest encounter engagement fray skirmish warfare
Antonyms
STRONGEST
peace
STRONG
agreement harmony retreat surrender truce
WEAK
cessation

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.

“If you look closely at the FDA action, you will see that there’s no regulation attached to it,” she explains.

From Salon • Apr. 11, 2026

It was only after the birth of his son in 2018, and putting on five stone, he decided he had to take action again.

From BBC • Apr. 10, 2026

Many states, including California, are looking at options to pursue their own legal action and legislation to fix a ticket market fans have come to see as deeply broken.

From Los Angeles Times • Apr. 10, 2026

Tony Rodriguez, head of fixed-income strategy at Nuveen, called this week’s action a “relief rally and a positioning rally,” with positioning around “some dire scenarios” around the Iran war and the oil shock being unwound.

From MarketWatch • Apr. 10, 2026

This meeting had been called to discuss united action by the thirteen colonies against the king and Parliament.

From "In the Shadow of Liberty" by Kenneth C. Davis

Vocabulary lists containing action

TEKS ELAR Academic Vocabulary List (5th-7th grades)

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Common Core Grade 6, List 1

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Common Core Grade 5, List 1

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!