Noun:

पानी की प्रधान नली, गैस की प्रधान नली, महासागर,

Adjective:

अनोखा, विशेष, ख़ास, काफ़ी, बड़ा, सर्व-प्रधान, सदर, प्रधान, मुख्य,

main's Usage Examples:

Jule wasn't lucky enough for the creature on the main floor not to hear.

As if the main object were to talk fast and not to talk sensibly.

I crept cautiously forward until I encountered a closed door, leading, I presumed, to the main house.

They all enjoyed the Main Street eatery, next to the newly renovated Beaumont Hotel, the queen's-castle of the Victorian town.

Antoine probably wasn't the main threat in Europe.

Felipa met them in the main room downstairs.

The neighbors couldn't see into any of their windows, and they were far enough off the main road that the only traffic would be people coming to see them.

It was a mine portal, smaller than the main entrance to the Lucky Pup.

He left the room and ascended to the main floor.

His main sin appears to be his poor timing.

Synonyms:

master, important, principal, primary, chief, of import,

Antonyms:

legitimate, genuine, incidental, noble, unimportant,