French word

irraisonné

Pronunciation

IPA/iʁɛzone/

Meaning

  • adjectiveirrational

Example

Sa réaction était irraisonnée.

Her reaction was irrational.

Illustration for irraisonné (irrational)

More examples

Il a pris une décision irraisonnée qui a surpris tout le monde.

He made an irrational decision that surprised everyone.

Core concept

A reaction or decision that seems to arise without a reasoned path.

Common phrases

  • décision irraisonnée

    irrational decision

  • réaction irraisonnée

    irrational reaction

Similar words

déraisonnable: Lacking restraint or common sense, and therefore seeming unreasonable.
irrationnel: Not guided by reason and inconsistent with logic or calculation.
irréfléchi: Done without considering the matter carefully.
inconsidéré: Done without regard for others or possible consequences.

Definition in French

Qui agit sans raison apparente, dépourvu de logique dans son comportement.

Word origin

Irraisonné is built from Old French raison, meaning reason, with the negative prefix ir-, a form of in- used before r, so it denotes a lack of reason.

Usage tips

  • Irraisonné is more formal than everyday sans raison and often describes a reaction, fear, or decision rather than a person.

Other meanings

  • unreasonableadjective

Opposites

  • raisonnéreasonedadjective
  • raisonnablereasonableadjective

Word lists with this word