First Known Use: 15th century
Dictionary
prolong
prolong
verb pro·long \prə-ˈlȯŋ\
: to make (something) last or continue for a longer time
Full Definition of PROLONG
transitive verb
1
: to lengthen in time : continue
2
: to lengthen in extent, scope, or range
— pro·lon·ga·tion \(ˌ)prō-ˌlȯŋ-ˈgā-shən, prə-\ noun
— pro·long·er \prə-ˈlȯŋ-ər\ noun
See prolong defined for English-language learners
See prolong defined for kids
Examples of PROLONG
- Additives are used to prolong the shelf life of packaged food.
- High interest rates were prolonging the recession.
Origin of PROLONG
Middle English, from Middle French prolonguer, from Late Latin prolongare, from Latin pro- forward + longus long
Related to PROLONG
- Synonyms
- drag (out), draw out, elongate, lengthen, outstretch, extend, protract, stretch
See Synonym Discussion at extend
Learn More About PROLONG
Browse
Next Word in the Dictionary: prolongablePrevious Word in the Dictionary: prologueAll Words Near: prolong
Seen & Heard
What made you want to look up prolong? Please tell us where you read or heard it (including the quote, if possible).