not useful is not in our dictionary (yet). Here's what it could mean:
Confidence: high
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adjective
Example Sentences
Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“That doesn’t mean it’s not useful, but if the bill is landmark, it’s because Congress finally did something in this area – not because the impact would be huge,” Katz said in a note.
From MarketWatch ● Jun. 26, 2026
The patches of engineered heart muscle have to survive in the patient and be nurtured over several months, so are not useful for people who need emergency care, the researchers say.
From BBC ● Jan. 29, 2025
Thesaurus
Possible Synonyms
Words in our thesaurus
other words
- a chocolate teapot
- just taking up space
- all sizzle, no steak
- a dead end
Possible Antonyms
Words in our thesaurus
other words
- the real deal
- a game-changer
- a lifesaver