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English definition of “least”

least

adverb     /liːst/
B1 less than anyone or anything else: Which car costs least? I chose the least expensive dish on the menu. No one, least of all (= especially not) James, is going to be angry with you.Maximum and minimum
at least A2 as much as, or more than, a number or amount: You'll have to wait at least an hour.Maximum and minimum B1 something that you say when you are telling someone about an advantage in a bad situation: It's a small house but at least there's a garden.Advantage and disadvantage used to say that someone should give a small amount of help although they do not intend to give a lot: Even if you didn't want to send a present, you could at least have sent a card.Helping and co-operating something that you say in order to correct something you said that was wrong: I've seen that film. At least, I saw the beginning then I fell asleep.Correcting and mendingEditing and compiling
not least formal especially: The whole trip was fascinating, not least because of the people I met.Very and extremeComplete and wholeIntensifying expressions
not in the least not at all: I don't mind staying at home, not in the least. → See also last but not leastIntensifying expressions
(Definition of least adverb from the Cambridge Learner's Dictionary © Cambridge University Press)

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