spontaneous

spontané, improvisé

Fait par envie sur le moment, sans préparation et sans que personne le demande.

En anglais simple : Done because you want to at that moment, without planning it or being told to do it.

• We took a spontaneous trip.
• Her spontaneous offer to help surprised me.
• He's usually careful, but today he felt spontaneous.

Synonymes : unplanned, impulsive, unprompted

Contraires : planned

Expressions courantes : spontaneous decision, spontaneous trip, spontaneous offer

spontané

Qui se produit de lui-même, sans intervention ni encouragement extérieur.

En anglais simple : Happening by itself, without being caused or encouraged by someone or something else.

• The patient made a spontaneous recovery.
• The fire was caused by spontaneous combustion.
• Their laughter was a spontaneous response to the surprise.

Synonymes : unprompted, self-generated

Contraires : induced

Expressions courantes : spontaneous recovery, spontaneous combustion, spontaneous reaction

soudain, inattendu

Qui arrive brusquement, sans signe annonciateur.

En anglais simple : Happening suddenly, with no warning beforehand.

• A spontaneous cheer broke the silence.
• Her words brought a spontaneous burst of laughter.
• The speech ended with spontaneous applause.

Synonymes : sudden, unexpected

Contraires : expected

Expressions courantes : spontaneous outburst, spontaneous applause, spontaneous burst

aléatoire, fortuit

Qui se produit par hasard, sans ordre fixe ou prévisible.

En anglais simple : Happening by chance, without a fixed or predictable order.

• The pattern showed spontaneous changes.
• Spontaneous events disrupted the regular sequence.
• The model allows spontaneous variation at random intervals.

Synonymes : random, unpredictable

Contraires : predictable

Expressions courantes : spontaneous changes, spontaneous events, spontaneous variation

spontané, sauvage

Qui pousse naturellement dans un endroit, sans être planté ni entretenu par les humains.

En anglais simple : Growing naturally in a place without being planted or cared for by people.

• Spontaneous vegetation covered the abandoned field.
• The survey recorded spontaneous plants beside the road.
• We left the spontaneous growth untouched.

Synonymes : wild, uncultivated

Contraires : cultivated

Expressions courantes : spontaneous vegetation, spontaneous growth, spontaneous plants