Set an upper bound
Establish the greatest possible quantity.
The journey takes at most two hours.
/ət ˈməʊst/ · at MOHSTmaximum phrase
Not more than a stated maximum.
Use at most to signal this exact relationship between ideas: not more than a stated maximum.
The word becomes easier to use when its closely related senses are separated and compared.
Establish the greatest possible quantity.
The journey takes at most two hours.
State a ceiling when the exact value is uncertain.
At most, twenty manuscripts survive.
Indicate that the strongest possible effect remains small.
The change would save at most a few minutes.
Notice how the surrounding noun or clause reveals the exact shade of meaning.
The journey takes at most two hours.
At most, twenty manuscripts survive.
The change would save at most a few minutes.
At most overlaps with several common words, but each carries a different emphasis.
Signals not more than a stated maximum.
Means not less than a stated minimum; or in any case, used to identify a limited positive point.
Signals not more than a stated maximum.
Means close to but not exactly a value.
Signals not more than a stated maximum.
Means not exceeding a maximum.
Signals not more than a stated maximum.
Means countless or extremely numerous; a very large number.
Forty is presented as the greatest possible number.
Even under the most generous estimate, the chamber could hold ___ forty people.