1. situated at or nearest to the exact center; most central
Usage: chiefly British spelling; American English typically uses 'centermost'; superlative form of 'central'

Examples

• The centremost point of the city is marked by the old clock tower.
• She sat in the centremost seat of the theater for the best view.
• The centremost region of the country experiences the most extreme weather.
• The architect placed the fountain in the centremost area of the plaza.
• The centremost building in the complex is the administrative headquarters.