noun

le élan

moose · momentum

C'est une énergie ou une motivation soudaine qui pousse à agir avec enthousiasme.

The French word "élan" has a few related meanings, mainly involving motion, energy, or enthusiasm:

Momentum or Impulse: "Élan" refers to the force or drive gained by a moving object or person. For example, when you run downhill and pick up speed, you have an "élan." It suggests a dynamic forward movement or impetus.
Enthusiasm or Spirit: It can also mean a burst of enthusiasm, zeal, or spirited effort. For example, one might say a singer performed with great "élan," meaning lively energy and passion.
Animal meaning: Less commonly, "élan" also means "moose" in French, referring to the large animal found in North America and parts of Europe.

Synonyms of "élan" and nuances:

Impulsion: Close to the meaning of physical impulse or momentum but often used in a more technical or literal physical sense.
Dynamisme: Refers more broadly to energy and dynamism, especially metaphorically, such as in character or performance.
Poussée: Means "push" or "thrust," specifically physical force pushing something forward. It is more mechanical.
Ardeur: Means "ardor" or intense passion/enthusiasm but less linked to physical movement.

Summary:

Use élan when speaking of both physical momentum and spirited enthusiasm with a poetic or somewhat elevated tone.
Use related synonyms depending on whether you emphasize pure physical force (poussée, impulsion) or intensity of feeling (ardeur, dynamisme).

Example:
"Il a pris son élan avant de sauter." (He took his momentum before jumping.)
"Son discours était plein d’élan et d’ardeur." (His speech was full of spirit and ardor.)