Question

by studying the suffix, the reader can determine that \impetuous\ most likely means \having the quality of acting impulsive or with emotion.\, \someone who is filled with impulsiveness and emotion.\, \someone who acts without impulsiveness or emotion.\, \having a state or condition that is impulsive or emotional.\

Explanation:

The suffix -ous often indicates 'having the quality of'. "Impetuous" has the suffix -ous. It refers to having the quality of acting impulsively or with emotion.

Answer:

"having the quality of acting impulsive or with emotion."