Antonym of UNSTABLE

changing
constant
stagnant
steady

The correct answer is: B. constant

An antonym is a word that means the opposite of another word. In this case, the word “unstable” means not steady or firm. The opposite of this is “constant,” which means unchanging or staying the same.

The other options are not opposites of “unstable.”

  • Option A, “changing,” is similar to “unstable” in that it means not staying the same. However, “changing” can also mean to become different or to undergo a transformation. This is not the same as “unstable,” which simply means not steady or firm.
  • Option C, “stagnant,” means not moving or flowing. This is not the same as “unstable,” which can refer to things that are moving or changing.
  • Option D, “steady,” means firm or not easily moved. This is the opposite of “unstable.”