13
ominous(adjective, warning, foreboding, threatening, prediction)
13
portentous(adjective, exciting, foreboding, threatening, prediction)
8
augural(prediction, prognostic)
7
monitory(warning, threatening, prediction, cautionary)
7
precursory
7
warning(adjective, warning, threatening, worrying, cautionary)
6
foreboding
6
forewarning
5
admonitory(adjective, warning, threatening, cautionary)
5
cautionary(adjective, warning, threatening)
5
foreshadowing
4
indicative(adjective, threatening)
3
predictive
3
prognostic
3
prophetic
3
threatening(warning, worrying, prognostic, cautionary)
2
forerunning
2
foretokening
2
meaningful
2
preliminary
11 years ago|2k views|share |citing 
APASmart Define. (2015). premonitory thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/premonitory/thesaurus/synonyms
ChicagoSmart Define. 2015. "premonitory thesaurus" https://smartdefine.org/premonitory/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, premonitory thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/premonitory/thesaurus/synonyms>.
MLASmart Define. "premonitory thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/premonitory/thesaurus/synonyms>