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"wobbly" is also used as a crossword clue. If that's what you saw, the answer is often unsteady (8 letters).
Definitions
inclined to shake as from weakness or defect
Word origin
From wobble + -y.
Used in a sentence
“wobbly bridge”
“wobbly chair”
“wobbly movement”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Unsteady on its feet”6 letters
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