uppermost

In the highest position, place, or rank.

Highest in place; first in precedence: as, the uppermost seats.

Highest in power; predominant; most powerful; first in force or strength.

In the highest position or place; also, first in a series or in order of time.

First in order of precedence.

Highest in place, position, rank, power, or the like; upmost; supreme.

At, or nearest the top of something.

In the highest position.

in or into the highest position

in or into the most prominent position, as in the mind