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Definitions

function

[fuhngk-shuhn] / ˈfʌŋk ʃən /
NOUN
capacity, job
Synonyms
STRONGEST
action activity affair behavior business duty exercise objective operation part power purpose responsibility role service situation task work
STRONG
charge concern employment faculty goal mark mission object occupation office post province use utility
Antonyms
STRONGEST
entertainment fun idleness inaction inactivity inertia irresponsibility pastime
STRONG
unemployment
NOUN
social occasion
Synonyms
STRONGEST
affair gathering meeting reception
STRONG
celebration do party
WEAK
get-together
VERB
perform, work
Synonyms
STRONGEST
behave operate react serve
STRONG
act cook do go move officialize officiate percolate run take
WEAK
act the part be in action be in commission be in operation be running do duty do one's thing get with it go to town take care of business
Antonyms
STRONG
abstain cease discontinue fail halt idle lose stay stop
WEAK
malfunction

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.

Marketers also claim thymosin-alpha, one of the more studied peptides, can help with immune function, Lyme disease and COVID-19.

From Salon • Apr. 4, 2026

"It's just making sure that the club has enough money to function and make sure that we actually get the job done."

From BBC • Apr. 3, 2026

SpaceX plans to launch up to 1 million satellites, meant to function as data centers, over an undetermined period of time.

From MarketWatch • Apr. 3, 2026

The new method relies on several separate DNA strands, each carrying a specific function.

From Science Daily • Apr. 2, 2026

That response is predictable because most people assume that racism, and racial systems generally, are fundamentally a function of attitudes.

From "The New Jim Crow" by Michelle Alexander

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.