Meaning : A wilderness at the edge of a settled area of a country.
Example :
The individualism of the frontier in Andrew Jackson's day.
Meaning : An international boundary or the area (often fortified) immediately inside the boundary.
Meaning : An undeveloped field of study. A topic inviting research and development.
Example :
He worked at the frontier of brain science.
Frontier ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Frontier ka matlab kya hota hai?