the first of its kind

प्रथम

English Usage: This invention is considered primus in the field of technology.

Hindi Usage: यह अविष्कार प्रौद्योगिकी के क्षेत्र में प्रथम माना जाता है।

the foremost position or rank

प्रमुख स्थान

English Usage: He has always been the first in his class.

Hindi Usage: वह हमेशा अपनी कक्षा में पहला रहा है।

foremost in order or rank

प्रथम

English Usage: He won first place in the competition.

Hindi Usage: उसे प्रतियोगिता में पहला स्थान मिला।