unessenˈtial adjective

1. Not of the essence
2. Inessential, not necessary, not important
3. Without being, immaterial (Milton, etc)

• extreme sport
• extreme sports
• extremest
• extreme unction
• extremism
• extremisms
• extremist
• extremists
• extremities
• extremity
• extremophile
• extricable
• extricate
• extricated
• extricates
• extricating
• extrication
• extrications
• extrinsic
• extrinsical
• extrinsicalities
• extrinsicality
• extrinsically
• extrorsal
• extrorse