Choose the word most similar in meaning to "Immutable".
A
Adaptable
B
Unchangeable
C
Variable
D
Flexible
Correct Answer: Option B — Unchangeable
Explanation:
"Immutable" means unchangeable, hence the correct synonym is Unchangeable. This is a frequently tested vocabulary word in competitive exams like CSS, PMS, and FPSC, so candidates should memorize such high-frequency synonym pairs for the English section.