Fill in the blank in the given sentence with the most appropriate antonym of the word erratic:-

Her _____ behavior during the meeting sprang a surprise on everyone.

consistent

The correct answer is Option (3) → consistent

• Erratic means deviating from the usual or proper course in conduct or opinion; unpredictable, irregular, or random (e.g., erratic fluctuations in the stock market).

• Consistent means acting or done in the same way over time; unvarying, steady, or predictable. It is the direct opposite of erratic.

• Ephemeral: Lasting for a very short time; transient. (Unrelated to predictability of behavior.)

• Intermittent: Occurring at irregular intervals; not continuous or steady. (Synonym of erratic, not an antonym.)

• Supple: Bending and moving easily and gracefully; flexible. (Unrelated to predictability of behavior.)