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Definitions

unusable

ADJECTIVE
useless
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 nonfunctional 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
impracticable
Synonyms
STRONGEST
impractical inoperable unattainable unworkable useless
WEAK
abstract absurd chimerical idealistic illogical impossible improbable inapplicable inefficacious infeasible irrealizable ivory-tower no-go nonfunctional 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

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.

These fractures can damage the organ and make it unusable, making crack prevention a critical goal for advancing organ preservation and transplantation.

From Science Daily • Apr. 27, 2026

It was so cold, one of his eyeballs froze, making it unusable.

From Los Angeles Times • Apr. 8, 2026

However, thousands of sidewalk gawkers messed up the audio, making the footage unusable.

From The Wall Street Journal • Feb. 16, 2026

Four black bags of empty DVD boxes and toys so damp they were unusable - these are just some of the items left outside charity shops recently.

From BBC • Jan. 12, 2026

Having rendered Rover 1 unusable, I'll have to use my mutant rover for the trip.

From "The Martian" by Andy Weir