Dictionary.com
Thesaurus.com
Synonyms

functioning

American  
[fuhngk-shuh-ning] / ˈfʌŋk ʃə nɪŋ /

adjective

  1. performing a specified action or activity; working; operating.

    My son has only one functioning kidney.

  2. (of a person with addiction or other illness or disability) able to cope with everyday life, as at home or at work: functioning diabetics.

    a functioning alcoholic with a successful career;

    functioning diabetics.

Etymology

Origin of functioning

First recorded in 1835–40; in 1970–75 functioning for def. 2; function ( def. ) (in the sense “to perform an action”) + -ing 2 ( def. )

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.