Correct option is B
The correct antonym of the given word is (b) Steady.
Fluctuate: To rise and fall irregularly in number or amount; to vary. (Hindi meaning: उतार-चढ़ाव होना, अस्थिर रहना)
Example: Prices of fuel fluctuate almost every week.
Steady: Firmly fixed, constant, not changing. (Hindi meaning: स्थिर, नियमित)
Example: The patient showed a steady improvement after treatment.
Synonyms: vary, swing, shift, waver
Antonyms: steady, stable, constant, unchanging
Meanings of other options:
· (a)
Wobble: To move unsteadily (डगमगाना) – similar to fluctuate.
· (c)
Mitigate: To reduce severity (कम करना) – unrelated.
· (d)
Descend: To move downward (नीचे उतरना) – not opposite of fluctuate.