Hindi

Adjective

कठिन • ‎(kaṭhin) ‎(Urdu spelling کٹھن)

1. difficult, challenging, arduous

   प्रत्येक व्यक्ति को प्रसन्न करना बहुत कठिन है।

   It is very difficult to please everybody.

Synonyms

• मुश्किल ‎(muśkil)
• कड़ा ‎(kaṛā)

Antonyms

• सरल ‎(saral)

References

• John T. Platts (accessed 08-12-2012), “A Dictionary of Urdu, Classical Hindi, and English”, in (Please provide the title of the work)
• Hardev Bahri (accessed 08-12-2012), “Learners' Hindi-English Dictionary”, in (Please provide the title of the work)

Sanskrit

Adjective

कठिन • ‎(kaṭhina)

1. difficult, tough, harsh
2. rigid, hard, inflexible, firm
3. cruel, violent

References