Positioned in front of (all) others in space, most forward.
Coming before (all) others in time.
Closest to the bow.
Of the highest rank or position; of the greatest importance; of the highest priority.
In front, prominently forward.
First in time.
Most importantly.
Something of the smallest possible extent; an indivisible unit.
At least.
What a stupid white privileged POS I am! Least I call myself out.
2019 December, Justin Blackburn, The Bisexual Christian Suburban Failure Enlightening Bipolar Blues, page 79
The most little; the smallest amount or quantity of something.
Used for forming superlatives of adjectives, especially those that do not form the superlative by adding -est.
In the smallest or lowest degree; in a degree below all others.