4
inadvisable(wrong, false, negative, awkward, irregular)
4
inept
4
touchy(awkward, uneasy, uncomfortable)
4
troublesome(adjective, appropriate, unpleasant, negative, awkward)
4
unfavourable
4
unprofitable(damaging, disparaging, hurtful, inexpedience, detrimental)
4
wrong(false, negative, awkward, improper, inappropriate)
3
belated(adjective, untimely)
3
delinquent(adjective, untimely)
3
early
3
harmful(adjective, damaging, disparaging, hurtful, detrimental)
3
impolitic
3
inadequate(adjective, unsuitable, unfitting)
3
inapplicable(adjective, wrong, false, awkward, unsuitable)
3
incorrect(adjective, wrong, false, awkward, unsuitable)
3
intrusive(adjective, untimeliness)
3
irrelevant
3
tardy(adjective, negative, disapproving, uncomplimentary, untimely)
3
too soon
3
unapt(adjective, wrong, false, awkward, improper)
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APASmart Define. (2015). inopportune thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inopportune/thesaurus/synonyms
ChicagoSmart Define. 2015. "inopportune thesaurus" https://smartdefine.org/inopportune/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, inopportune thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inopportune/thesaurus/synonyms>.
MLASmart Define. "inopportune thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/inopportune/thesaurus/synonyms>