1
flunk
1
in depth(expression, adjective, idiom)
1
lifelong
1
long(adjective, permanent)
1
long-lasting(adjective, permanent)
1
persistent
1
repeal
1
thorough(adjective, permanent)
1
undying
1
unending
1
unsatisfactory
0
abatement
0
abort
0
accouchement
0
addressing
0
ancestry
0
annulment
0
anticipate
0
appointment
0
approaching
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APASmart Define. (2016). passing thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/passing/thesaurus/antonyms
ChicagoSmart Define. 2016. "passing thesaurus" https://smartdefine.org/passing/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, passing thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/passing/thesaurus/antonyms>.
MLASmart Define. "passing thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/passing/thesaurus/antonyms>