Usage Note
Prolongé is the past participle of prolonger used as an adjective, meaning something that has lasted longer than normal or expected. The feminine form is prolongée. Common collocations include absence prolongée (extended absence) and applaudissements prolongés (prolonged applause). It is neutral in register and common in both written and spoken French.
Examples
"Une absence prolongée peut poser des problèmes."
Natural Translation
A prolonged absence can cause problems.

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