7
difficult
6
secondary
5
advanced
5
complex
5
hard
3
complicated
3
intricate
2
backbreaking
2
convoluted
1
abstruse
1
ancillary
1
compound
1
detailed
1
elaborate
1
exacting
1
extra(adjective, common, usual, excess, advanced)
1
higher
1
in addition
1
incidental
1
involved
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APASmart Define. (2015). elementary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/elementary/thesaurus/antonyms
ChicagoSmart Define. 2015. "elementary thesaurus" https://smartdefine.org/elementary/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, elementary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/elementary/thesaurus/antonyms>.
MLASmart Define. "elementary thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/elementary/thesaurus/antonyms>