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"slightly" is also used as a crossword clue. If that's what you saw, the answer is often marginally (10 letters).
Definitions
to a small degree or extent
Word origin
From slight + -ly.
Used in a sentence
“He was slightly built, but tall.”
“He weighed slightly less than his wife who was a foot shorter.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“A little”8 letters
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