Synonyms and Antonyms of functional
1 being in effective operation <I don't think that vending machine is functional, so don't put money into it> Synonyms alive, active, functioning, going, live, living, on, operating, operational, operative, running, workingRelated Words effective, effectual; employable, operable, usable (also useable), viable, workable; performing, producing, productive, serving, useful, yielding; astir, bustling, busy, dynamic, flourishing, humming, roaring, thrivingNear Antonyms deactivated, decommissioned; ineffective, ineffectual, useless; inoperable, unusable, unworkable; arrested, asleep, dormant, fallow, idle, inert, latent, lifeless, nonproductive, quiescent, sleepy, stagnating, unproductive, vegetatingAntonyms broken, dead, inactive, inoperative, kaput (also kaputt), nonactivated, nonfunctional, nonfunctioning, nonoperating, nonoperational, nonoperative
2 capable of being put to use or account <a functional knowledge of auto mechanics> Synonyms actionable, applicable, applicative, applied, practical, practicable, serviceable, ultrapractical, usable (also useable), useful, workable, workingRelated Words down-to-earth, pragmatic (also pragmatical), utilitarian; banausic, mundane; accessible, available, obtainable, reachable; all-around (also all-round), handy; active, alive, busy, employed, functioning, operating, operativeNear Antonyms abstract, academic (also academical), armchair, theoretical (also theoretic); inaccessible, unattainable, unavailable, unobtainable, unreachable; unsuitableAntonyms impracticable, impractical, inapplicable, nonpractical, unusable, unworkable, useless
3 capable of or suitable for being used for a particular purpose <a very functional kitchen utensil for peeling potatoes> Synonyms available, employable, exploitable, fit, usable, operable, practicable, serviceable, usefulRelated Words applicable, relevant; doable, feasible, viable, workable; reusableAntonyms impracticable, inoperable, nonfunctional, unavailable, unemployable, unusable
Seen and Heard
What made you want to look up functional? Please tell us where you read or heard it (including the quote, if possible).