1
coadjutor
1
companion
1
extra
1
frivolous
1
junior
1
little
1
nonessential
1
peripheral
1
slight
1
small
1
subordinate
1
subsidiary
1
supplementary
1
support
1
trifling
0
trivial
0
inconsequential
0
secondary
0
accessory(noun, part, decrease, ornament, item)
0
inconsiderable
10 years ago|3.8k views|share |citing 
APASmart Define. (2016). principal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/principal/thesaurus/antonyms
ChicagoSmart Define. 2016. "principal thesaurus" https://smartdefine.org/principal/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, principal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/principal/thesaurus/antonyms>.
MLASmart Define. "principal thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/principal/thesaurus/antonyms>