functional

Synonyms

active, alive, functioning, going, live, living, on, operating, operational, operative, running, working;

Antonyms

broken, dead, inactive, inoperative, kaput (also kaputt), nonactivated, nonfunctional, nonfunctioning, nonoperating, nonoperational, nonoperative;

Near Antonyms

deactivated, decommissioned;

ineffective, ineffectual, useless;

inoperable, unusable, unworkable;

arrested, asleep, dormant, fallow, idle, inert, latent, lifeless, nonproductive, quiescent, sleepy, stagnating, unproductive, vegetating;

Related Words

effective, effectual;

employable, operable, usable (also useable), viable, workable;

performing, producing, productive, serving, useful, yielding;

astir, bustling, busy, dynamic, flourishing, humming, roaring, thriving;

Phrases

in commission (or into commission), in force, in gear, on line;