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Etymology

ominous

/ˈɒmɪnəs/

adjective

Origin

Latin

omen — a sign or portend

Overview

Meaning Now

  • Giving the impression that something bad or unpleasant is going to happen; threatening or inauspicious.
  • Relating to or being an omen.

Literal older meaning

full of omens

Language path

Latin → Middle English → English

Earliest form

ominous

Earliest period

16th century

Journey

The word developed from the Roman concept of 'omen,' which could originally be either favorable or unfavorable. Over time, particularly as it transitioned into English, the term became strongly associated with negative or threatening forebodings.

Evolution

  1. Latin

    omen

    “a sign or forewarning”

    The base noun meaning a prognostic sign.

  2. Late Latin

    ominosus

    “full of omens”

    Formed with the suffix -osus.

  3. Early Modern English

    ominous

    “portending evil”

    Adopted into English, narrowing the sense specifically to evil or threatening omens.

Connections

Word parts

omin-

root

sign/omen

-ous

suffix

full of or having the quality of

Related across languages

  • French

    omineux

    ominous

  • Spanish

    ominoso

    ominous

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External references use DefinedTerm semantics.