The most little; the smallest amount or quantity of something.
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
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.
Something of the smallest possible extent; an indivisible unit.