prolonged

American  

[pruh-lawngd, -longd] / prəˈlɔŋd, -ˈlɒŋd /

adjective

1. lasting a long time; lengthy.

   Regular or prolonged absence from school without a valid reason may result in the absentee being barred from examinations.

2. lengthened or extended in time or space.

   Technological innovations in the ICU have led to artificially prolonged life, with associated costs.

   Abnormally shortened or prolonged telomeres are a hallmark of cancer.

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verb

1. the simple past tense and past participle of prolong.

Other Word Forms

• unprolonged adjective
• well-prolonged adjective

Etymology

Origin of prolonged

prolong ( def. ) + -ed ² ( def. )

Example Sentences

Wrapped in her prolonged mourning for Elisha, she was unaware of how much the Civil War had changed the country.

From Literature

Last June, Rwanda and Congo reached a U.S.-mediated peace deal known as the Washington Accords, agreeing to end prolonged fighting, often via proxy militias.

From The Wall Street Journal

The treatment periods lasted 10, 30, and 60 days to reflect different lengths of prolonged use in humans.

From Science Daily

Fire crews worked for a "prolonged period in extremely challenging conditions to bring the incident under control", according to a report into the incident which has just been published by NYFRS.

From BBC

This means the stock and options markets should be stuck in a volatile reactionary state for a prolonged period.

From Barron's