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non-essential function

/nɒn ɛsˈɛnʃəl fʌŋkʃən/ · non-es-ten-tial-func-tion
noun
  1. A function or process that is not necessary for the operation of a system or program. The software update included several non-essential functions that could be disabled for improved performance.
noun
  1. A secondary or auxiliary function that is not essential to the main purpose of a system or process. The non-essential function of the printer was to print in color, but it could also be used to scan documents.

Synonyms

auxiliary functionsecondary functionoptional functionsupplementary function

Antonyms

essential functioncritical functionprimary function
Did you know? The concept of non-essential functions is often used in software development to prioritize features and optimize performance.

Related terms

functionprogramsystemsoftwareprocess
Written by Lexi Wordsworth, Dictionary Editor 1 lookups Added Jul 28, 2026