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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.

Still, the safety of Treasury debt is a function of math and confidence.

From The Wall Street Journal • Apr. 1, 2026

The books are episodic, composed of scenes that function like poetic stanzas that are linked as much by ideas and motifs as by narrative progression.

From The Wall Street Journal • Mar. 31, 2026

The island has been feeling the effects of the blockade with most hospitals unable to function normally and schools and government offices being forced to close.

From BBC • Mar. 31, 2026

In other words, the genome's movement may help a cell stay true to its function.

From Science Daily • Mar. 31, 2026

Piles of them function as tables, others hang suspended from the ceiling, along with large golden cages holding several live white doves.

From "The Night Circus" by Erin Morgenstern

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