nonfunctional

ADJECTIVE

decorative

Synonyms

STRONGEST

fancy ornamental

WEAK

adorning cosmetic embellishing enhancing florid prettifying pretty

Antonyms

STRONGEST

plain

WEAK

ugly

ADJECTIVE

impractical

Synonyms

STRONGEST

absurd illogical impossible improbable quixotic speculative unattainable unreal unusable unwise unworkable useless

WEAK

abstract chimerical idealistic impracticable inapplicable inefficacious infeasible inoperable ivory-tower no-go nonviable otherworldly romantic starry-eyed theoretical unbusinesslike unfeasible unserviceable visionary wild won't fly

Antonyms

STRONGEST

logical possible rational reasonable sensible tenable

WEAK

practical

ADJECTIVE

impractical/impracticable

Synonyms

STRONGEST

impossible improbable infeasible unfeasible unworkable

WEAK

abstract absurd chimerical idealistic illogical inapplicable inefficacious inoperable irrealizable ivory tower no-go nonviable not a prayer otherworldly out of the question quixotic romantic speculative starry-eyed theoretical unattainable unbusinesslike unreal unserviceable unusable unwise useless visionary wild won't fly

Antonyms

WEAK

practicable practical probable realistic reasonable tenable viable

ADJECTIVE

inutile

Synonyms

WEAK

abortive bootless counterproductive disadvantageous dysfunctional expendable feckless fruitless futile good-for-nothing hopeless idle impracticable impractical incompetent ineffective ineffectual inept inoperative meaningless no good of no use pointless profitless purposeless scrap stupid unavailable unavailing unfunctional unproductive unprofitable unpurposed unusable unusuable unworkable vain valueless waste weak worthless

ADJECTIVE

unnegotiable

Synonyms

WEAK

abstract absurd chimerical idealistic illogical impossible impractical improbable inapplicable inefficacious infeasible inoperable irrealizable ivory-tower no-go nonviable not a prayer otherworldly out of the question quixotic romantic speculative starry-eyed theoretical unattainable unbusinesslike unfeasible unreal unserviceable unusable unwise unworkable useless visionary wild won't fly

ADJECTIVE

unusable

Synonyms

STRONGEST

impractical inoperable unattainable unworkable useless

WEAK

abstract absurd chimerical idealistic illogical impossible improbable inapplicable inefficacious infeasible irrealizable ivory-tower no-go nonviable not a prayer otherworldly out of the question quixotic romantic speculative starry-eyed theoretical unbusinesslike unfeasible unnegotiable unreal unwise visionary wild won't fly

ADJECTIVE

unusable

Synonyms

STRONGEST

expendable futile idle impractical ineffective inoperative meaningless pointless unavailable unproductive unprofitable unworkable worthless

WEAK

abortive bootless counterproductive disadvantageous dysfunctional feckless fruitless good-for-nothing hopeless impracticable incompetent ineffectual inept inutile no good of no use profitless purposeless scrap stupid unavailing unfunctional unpurposed unusuable vain valueless waste weak

Antonyms

STRONGEST

beneficial effective fruitful important meaningful productive profitable sensible useful valuable worthwhile

ADJECTIVE

unworkable

Synonyms

STRONGEST

absurd illogical impossible impractical unattainable unusable useless

WEAK

abstract chimerical idealistic improbable inapplicable inefficacious infeasible inoperable irrealizable ivory-tower no-go nonviable not a prayer otherworldly out of the question quixotic romantic speculative starry-eyed theoretical unbusinesslike unfeasible unnegotiable unreal unserviceable visionary wild won't fly

Antonyms

STRONGEST

logical rational reasonable sensible

ADJECTIVE

useless

Synonyms

STRONGEST

counterproductive fruitless futile hopeless idle impractical incompetent ineffective ineffectual inoperative meaningless no good pointless stupid unproductive unworkable worthless

WEAK

abortive bootless disadvantageous dysfunctional expendable feckless good-for-nothing impracticable inept inutile of no use profitless purposeless scrap unavailable unavailing unfunctional unprofitable unpurposed unusuable vain valueless waste weak

Antonyms

STRONGEST

effective fruitful hopeful meaningful productive profitable sensible useful valuable worthwhile

WEAK

helpful usable working

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.

“The system felt nonfunctional, and that was stressful,” Katie said.

From The Wall Street Journal • Apr. 23, 2026

In this case, the injectable hydrogel is intended for children born with a condition that leaves them with an underdeveloped, nonfunctional left ventricle.

From Science Daily • Mar. 6, 2024

Another bill introduced by Friedman, AB 1573, would have prohibited nonfunctional grass at new or renovated non-residential developments, and would have required more native plants for those properties.

From Los Angeles Times • Sep. 13, 2023

However, the extreme cold could cause the technology to freeze and become nonfunctional.

From DOGO News • Aug. 28, 2023

Since mutations are random nucleotide changes, most of them are harmful or lethal, coding into existence nonfunctional enzymes.

From "Cosmos" by Carl Sagan

nonfunctional

Example Sentences

Related Words