Dictionary

prolong

verb pro·long \prə-ˈlŋ\

: 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-ˌlŋ-ˈgā-shən, prə-\ noun
pro·long·er \prə-ˈlŋ-ər\ noun
ADVERTISEMENT

Origin of PROLONG

Middle English, from Middle French prolonguer, from Late Latin prolongare, from Latin pro- forward + longus long
First Known Use: 15th century

Synonym Discussion of PROLONG

extend, lengthen, prolong, protract mean to draw out or add to so as to increase in length. extend and lengthen imply a drawing out in space or time but extend may also imply increase in width, scope, area, or range <extend a vacation> <extend welfare services> <lengthen a skirt> <lengthen the workweek>. prolong suggests chiefly increase in duration especially beyond usual limits <prolonged illness>. protract adds to prolong implications of needlessness, vexation, or indefiniteness <protracted litigation>.
PROLONGING Defined for Kids

prolong

verb pro·long \prə-ˈlŋ\
pro·longedpro·long·ing

Definition of PROLONG for Kids

:  to make longer than usual or expected <Medicines prolonged his life.>

Browse

Next Word in the Dictionary: prolongablePrevious Word in the Dictionary: prologueAll Words Near: prolong
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears