portent Definition

portent
noun

1. A prophetic sign; an omen.

Thesaurus: precursor, omen, foreshadowing, presentiment, sign, presage, indication, harbinger, augury, threat, warning, premonition, forerunner, prognostication.
2. Fateful significance.

Example: an event of grim portent
3. A marvel or prodigy.

Etymology: 16c: from Latin portentum a sign, from portendere (see portend).