Which word denotes ‘doing things suddenly and without careful thought’ ?RepulsiveImpulsiveImpressiveComprehensive

Analyzing the Options

1. Repulsive - This describes something that is distasteful or disgusting, not related to sudden actions.
2. Impulsive - This word refers to acting momentarily without thought or consideration, aligning perfectly with the question's requirement.
3. Impressive - This describes something that evokes admiration through size, quality, or skill, not related to thoughtfulness.
4. Comprehensive - This means thorough and all-encompassing, unrelated to sudden actions.

Conclusion

After reviewing the definitions of each option, the word that denotes ‘doing things suddenly and without careful thought’ is Impulsive.