Definitions
subject to change; variable
Word origin
From Middle English unstable; equivalent to un- (not) + stable.
Used in a sentence
“unstable foundation”
“The structure is too unstable to stand safely.”
“The hillside at this point is composed of shaly rock overlaid with a peaty loam which carries a growth of heather, and its unstable condition has resulted in two landslides in the course of the railway's history.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Likely to change”8 letters
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