indescribability (noun) strangeness: unfamiliarity
Sinonime: bad, baleful, baneful,
black, dire, discouraging, evil, fateful,
foreboding, ill-boding, ill-omened,
impending, inopportune,
sinister,
threatening, unfavorable,
unfortunate, unlucky, unpromising, unpropitious, untimely, untoward
Antonime: auspicious,
favorable,
fortunate,
lucky,
promising