Choose the correct synonym of 'Abortive'

Unsuccessful is the correct synonym of abortive.

• Abortive (adj)-
- English meaning: fruitless, unsuccessful.
- Bangla meaning: ব্যর্থ / ফলহীন।

• Example sentences:
- All his efforts were abortive- তার সব চেষ্টা ব্যর্থ হয়েছে।

• Other options:
Successful (adj)- সফল; সার্থক,
Completed (adj)- সম্পন্ন; সম্পূর্ণ,
Effective (adj)- কার্যকর।

Source:
1. English & Bangla Online Dictionary & Grammar.
2. Merriam-Webster.