ominous

From Latin ominosus (“full of foreboding”), from omen (“forbidden fruit, omen”), from os (“the mouth”) + -men.

• IPA^(key): /ˈɒmɪnəs/

ominous (comparative more ominous, superlative most ominous)

1. Of or pertaining to an omen or to omens; being or exhibiting an omen; significant.
2. Specifically, giving indication of a coming ill; being an evil omen

   Synonyms: threatening, portentous, inauspicious

   • California poll support for Jerry Brown's tax increases has ominous implications for U.S. taxpayers too Los Angeles Times Headline April 25, 2011
   • 2012 April 29, Nathan Rabin, “TV: Review: THE SIMPSONS (CLASSIC): “Treehouse of Horror III” (season 4, episode 5; originally aired 10/29/1992)”, in (Please provide the book title or journal name)‎:

     The idea of a merchant selling both totems of pure evil and frozen yogurt (he calls it frogurt!) is amusing in itself, as is the idea that frogurt could be cursed, but it’s really the Shopkeeper’s quicksilver shift from ominous doomsaying to chipper salesmanship that sells the sequence.

• Formerly used both in a favorable and unfavorable sense; now chiefly in the latter; foreboding or foreshadowing evil; inauspicious; as, an ominous dread.
• Nouns to which "ominous" is often applied: sign, silence, warning, cloud, note, sound, shadow, threat, music, tone, implication, message, presence, development, voice, portent, turn, sky, figure, dream, event, trend, change, day, beginning, growl, cry, signal, pattern.

• portentous
• threatening

• ominously
• ominousness

• omen

• ominous in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• ominous in The Century Dictionary, The Century Co., New York, 1911

• suimono