1. to delay or extend the final decision, outcome, or end of something
The committee decided to protract the conclusion of the investigation to gather more evidence.
O comitê decidiu prolongar a conclusão da investigação para reunir mais provas.
2. to postpone reaching a final judgment or resolution
They protracted the conclusion of the contract negotiations for several weeks.
Eles prolongaram a conclusão das negociações do contrato por várias semanas.