Synonyms|465Antonyms|179|Broader|9Narrower|0Related|830
1
wrong
1
amiss
1
bad
1
behind
1
behindhand
1
belated
1
delinquent
1
detrimental
1
early
1
inapplicable
1
incongruent
1
indecorous
1
inept
1
infelicitous
1
irrelevant
1
late
1
latish
1
overdue
1
premature
1
tardy
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APASmart Define. (2016). opportune thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/opportune/thesaurus/antonyms
ChicagoSmart Define. 2016. "opportune thesaurus" https://smartdefine.org/opportune/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, opportune thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/opportune/thesaurus/antonyms>.
MLASmart Define. "opportune thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/opportune/thesaurus/antonyms>