An extended duration or continuing for a longer time than usual.

A negotiation process that takes longer than expected.

अधिक समय लगने वाली बातचीत

English Usage: The team is weary from the prolonged negotiation with the suppliers.

Hindi Usage: टीम आपूर्तिकर्ताओं के साथ लंबी बातचीत से थक गई है।