utmost
definition: (comparatives of `far') most remote in space or time or order
example:
speech part: adjective
synonyms:
farthest
definition: highest in extent or degree
example:
speech part: adjective
synonyms:
last
definition: the greatest possible degree
example: I tried my utmost to improve the situation.
speech part: noun
definition: of the greatest possible degree or extent or intensity
example:
speech part: adjective
synonyms:
extreme