Definitions

1. verb

to extend or lengthen something, such as a period of time or a discussion, in duration or extent

“The debate was prolonged by the heated arguments from both sides.”

2. verb

to cause something to be extended or lengthened in duration or extent

“The doctor tried to prolong the life of the patient with emergency surgery.”

3. noun

the act of extending or lengthening something in duration or extent

“The prolongation of the project’s deadline caused significant delays.”