Uttermost
Part of speech: noun
Definition: The utmost; the highest or greatest degree; the farthest extent
Part of speech: adjective
Definition: Extreme; utmost; being; in the farthest, greatest, or highest degree.
Maximum
Part of speech: adjective
Definition: To the highest degree.
Part of speech: noun
Definition: The highest limit.The greatest value of a set or other mathematical structure, esp. the global maximum or a local maximum of a function.The largest value of a batch or sample or the upper bound of a probability distribution.
Example sentence: The marshalling of those resources in order to obtain the maximum war effort for Australia, and a maximum degree of help and cooperation for Great Britain and the sister Dominions, is the primary objective of the new Department.