10 most difficult English words:
1. Abjure (त्यागना): formally reject or disavow a formerly held belief
2. Camaraderie (दोस्ती): the quality of affording easy familiarity and sociability
3. Defunct (निर्जीव) : no longer in force or use; inactive
4. Ephemeral (अल्पकालिक) : anything short - lived, as an insect that lives only for a day
5. Incumbent (अनिवार्य): necessary as a duty or responsibility; morally binding
6. Instigate (भड़काना): provoke or stir up
7. Munificent (उदार): very generous
8. Rife (व्याप्त): excessively abundant
9. Trite (पिष्टपेषितता): repeated too often; over familiar through overuse
10. Ubiquitous (देशव्यापी): being present everywhere at once