Having an unfriendly or antagonistic nature.

Characterized by opposition or resistance.

प्रतिकूल

English Usage: The hostile environment made it difficult for the research team to complete their work.

Hindi Usage: प्रतिकूल पर्यावरण ने शोध टीम के लिए अपना काम पूरा करना मुश्किल बना दिया।

An official ban on trade or other commercial activity with a particular country.

A prohibition or restriction placed on a certain activity.

रोक

English Usage: There was an embargo on the export of certain technologies due to national security concerns.

Hindi Usage: राष्ट्रीय सुरक्षा चिंताओं के कारण कुछ तकनीकों के निर्यात पर रोक थी।