At least
preposition
Not less than, a minimum of.
I have at least two hours before my next meeting.

Often appears as...
- at least one
- at least two
adverb
If nothing else, considering the worst possibility.
If I can't win, I can at least try my best.

Often appears as...
- at least try
- at least consider
conjunction
Even if not anyone or anything else.
You should go. At least, that's what I think.

Often appears as...
- at least
- that's what..
preposition
Not less than, a minimum of.
I have at least two hours before my next meeting.

Often appears as...
- at least one
- at least two
adverb
If nothing else, considering the worst possibility.
If I can't win, I can at least try my best.

Often appears as...
- at least try
- at least consider
conjunction
Even if not anyone or anything else.
You should go. At least, that's what I think.

Often appears as...
- at least
- that's what..
Definition 1 of 3

Minimum Quantity
Use 'at least' when specifying the smallest amount or number something could be.

We need at least five more chairs for the party.
Expectation Setting
Use 'at least' to set low expectations or to ensure a bottom line is understood.

Expect to wait at least 30 minutes for your food.
Goal Assurance
'At least' can imply that more is preferred or better, but a certain amount is guaranteed.

Please read at least one book per month.
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