2
circumstantial
2
dinky
2
disposable
2
expletive
2
fortuitous
2
immaterial
2
in excess
2
inconsiderable
2
irrelevant
2
nugatory
2
paltry
2
peripheral
2
prolix
2
provisional
2
slight
2
subordinate
2
supernumerary(noun, adjective)
2
supplemental
2
surplus
2
unrequired
11 years ago|3.3k views|share |citing 
APASmart Define. (2015). non-essential thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/non-essential/thesaurus/synonyms
ChicagoSmart Define. 2015. "non-essential thesaurus" https://smartdefine.org/non-essential/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, non-essential thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/non-essential/thesaurus/synonyms>.
MLASmart Define. "non-essential thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/non-essential/thesaurus/synonyms>