utmost

/ˈʌtˌmoʊst/
adjective
  1. Of the greatest possible degree, amount, or intensity.
    • Safety is of the utmost importance in this laboratory.
    • She treated the antique vase with the utmost care.
    • The team showed the utmost dedication to finishing the project.
Antonyms
noun
  1. The greatest possible amount or degree.
    • He did his utmost to help the stranded hikers.
    • We will strive to the utmost to meet your expectations.
    • The athlete pushed herself to the utmost to break the record.
Synonyms