Select the most appropriate synonym of the given word: DELETERIOUS

Correct option is A

The correct synonym of the given word is (a) Harmful.
Deleterious: causing damage or harm; having a harmful effect, especially gradually over time. (Hindi meaning: हानिकारक/नुकसानदेह)
Example: Smoking has deleterious effects on lung health.
Harmful: causing or likely to cause harm; damaging to health or well-being. (Hindi meaning: हानिकारक)
Example: Too much screen time can be harmful for children.
Synonyms: damaging, injurious, detrimental, pernicious.
Antonyms: beneficial, helpful, harmless, advantageous.
Meanings of all the other given options:
· (b) Useful: helpful; serving a purpose (Hindi meaning: उपयोगी)
· (c) Comforting: giving comfort or reassurance (Hindi meaning: सांत्वनादायक)
· (d) Helpful: providing help; assisting (Hindi meaning: सहायक)