Extraneous is an adjective that is used to describe that is not important. Not belonging or proper to a thing. External, foreign. Irrelevant, unrelated.
- His presentation could have been improved by removing all the ‘extraneous’ information that was included within it.
- He has a unique personality, where pretty much everything that he does is ‘extraneous’ compared to those whom he surrounds himself with.
- What some may deem as ‘extraneous’ others may perceive as extremely important.