Select the most appropriate antonym of the given word.

STABLE

shaky

The most appropriate antonym of the word stable is shaky.

• Stable means "firmly fixed in place; not likely to move, change, or fail."
• Shaky means "not firm or steady; liable to shake or totter."

The other words do not have the opposite meaning of "stable."

• Tough means "able to withstand great force or hardship; strong."
• Reliable means "able to be depended on; trustworthy."
• Even means "not varying or changing; uniform."