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"unnecessary" is also used as a crossword clue. If that's what you saw, the answer is often needless (8 letters).
Definitions
Not needed or not required.
Word origin
From un- + necessary.
Used in a sentence
“The automatic child-frightener made clowns unnecessary.”
“Every possible economy was carefully investigated and unnecessary expense, however small, eliminated. The company had no money to spare on "frills."”
“Yet some of the statin side effects mentioned in the study have not been proved in the scientific literature or are exaggerated and could cause unnecessary worry, he said.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Not needed”11 letters
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