At Least The CC Writers Knew The Assignment:

The meaning of least is lowest in importance or position. How to use least in a sentence. We use the quantifier least to talk about quantities, amounts and degree.

(the) least is the superlative form of little.. To pay the least amount of attention. You use least to indicate that something is true or happens to a smaller degree or extent than anything else or at any other time.

He had a way of throwing helen off guard with his charm when she least. See examples of least used in a sentence. There are 12 meanings listed in oed's entry for the word least, one of which is labelled obsolete.

Discover expressions like "not least", "at least", "least worst". To say the least, this expression is used to express the belief that a situation or circumstance is even worse than stated: The result will be terrible inflation, to say the least.