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"flexible" is also used as a crossword clue. If that's what you saw, the answer is often adaptive (8 letters).
Definitions
bending and snapping back readily without breaking
Word origin
From Middle French flexible, from Latin flexibilis, from flectō (“to bend, curve”). Morphologically flex + -ible.
Used in a sentence
“When the splitting wind Makes flexible the knees of knotted oaks.”
“Phocion the Athenian (a man of great severity, and no ways flexible to the will of the people[…]”
“Women are soft, mild, pitiful, and flexible.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Easily bent”8 letters
02“Bendable”8 letters
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