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"changeable" is also used as a crossword clue. If that's what you saw, the answer is often variable (8 letters).
Definitions
such that alteration is possible; having a marked tendency to change
Word origin
From Middle English chaungeable, from Old Northern French chaungeable, from Late Latin cambiāre (“to change”), equivalent to change + -able.
Used in a sentence
“The weather is very changeable today: we've had bright sunshine, clouds, wind and rain in the same half-hour.”
“There will be no problems with visibility, or the highly changeable Highland weather, as Scotland basks in what is reported to be the country's hottest September day for more than a century.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Likely to shift”10 letters
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