to lengthen out in time; extend the duration of; cause to continue longer: to prolong one's stay abroad.
to make longer in spatial extent: to prolong a line.
Origin of prolong
First recorded in 1375–1425; late Middle English prolongen, from Late Latin prōlongāre “to lengthen,” equivalent to prō- “forward, forth” + long(us) “long” + -ā- theme vowel + -re infinitive ending; see pro-1, long1
Unnecessarily prolong its impact upon children’s education, health and emotional well-being, and equitable access to opportunities for development and social success.
Keeping older folks out of COVID-19 vaccine trials hurts everyone|Kat Eschner|October 1, 2020|Popular Science
Pulling funding from the organization could do great damage and potentially prolong the ill-effects of the pandemic.
The World Health Organization is leaning on big tech to navigate the COVID-19 pandemic|Nicole Goodkind|October 1, 2020|Fortune
Digital eye strain is defined as a group of vision-related problems that result from prolonged use of cell phone, computer, e-reader, or tablet, to name a few.
Why dark mode web designs are gaining popularity|Amanda Jerelyn|September 30, 2020|Search Engine Watch
A plasma donation involves repeated and prolonged contact with staff — in the reception area, in waiting rooms, during physical exams in closed spaces and when blood is drawn.
Foreign Masks, Fear and a Fake Certification: Staff at CSL Plasma Say Conditions at Donation Centers Aren’t Safe|by J. David McSwane|September 21, 2020|ProPublica
Amazon is also planning to host its Prime Day shopping event in the fourth quarter this year, rather than the third, so as not to affect service to its customers who are relying on its service throughout the prolonged coronavirus crisis.
How the world’s biggest media companies fared through the ongoing crisis in Q2|Lara O'Reilly|August 12, 2020|Digiday
We smile weakly, not wanting to let them down or prolong the conversation.
The Malaysian Air Tragedy Reawakens a Primal Fear|Kelly Williams Brown|July 19, 2014|DAILY BEAST
When he finally became president, Nixon walked away from that war to prolong a futile one half a world away.
100 Years of Right (And Left) Moves|Robert Shrum|March 31, 2014|DAILY BEAST
Drugs are becoming more powerful with prescription painkillers used to enhance effect and prolong a deleterious pleasure.
Heroin: America’s Silent Assassin|Dr. Anand Veeravagu, MD, Robert M. Lober, MD, PhD|February 3, 2014|DAILY BEAST
What the U.S. is doing now can only prolong Syrian and regional agonies.
Face the Assad Reality In Syria|Frank G. Wisner, Leslie H. Gelb|January 26, 2014|DAILY BEAST
In Congress, Radel has been a strong conservative and Tea Party favorite who voted to prolong the government shutdown in October.