le long

The word "long" in French is an adjective meaning "long" in English—it describes something that has a great length or duration.

Meanings:

1. Physical length: "une rue longue" (a long street), something extended in space.
2. Duration: "un film long" (a long movie), indicating something that lasts a long time.
3. Can be used figuratively to suggest something extensive or drawn-out.

Synonyms and nuances:

• "long" vs. "longue" — Here, "long" is masculine singular, and "longue" is feminine singular. For example, "un voyage long" (a long journey) vs. "une période longue" (a long period).
• "étendu(e)" — means "extended," similar in spatial sense but more formal or literary.
• "durable" — refers more specifically to lasting over time rather than spatial length.
• "prolongé(e)" — meaning "prolonged" or extended in duration, often used for periods or effects.

Summary: "long" is the standard adjective to describe length in space or time. Context determines its appropriate synonyms.