Synonyms for non-core in English

Antonyms

• essential
• critical
• integral
• grass-roots
• key
• leading
• main
• mainstream
• major
• necessary
• nuclear
• paramount
• pivotal
• premier
• primary
• instrumental
• indispensable
• important
• basic
• cardinal
• central
• chief
• crucial
• dominant
• elementary
• entry-level
• foremost
• fundamental
• imperative
• prime
• principal
• radical
• core
• vital
• top
• the biggest
• ...