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.

---

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

When oxygen levels are too low, wounds stay trapped in a prolonged inflammatory phase.

From Science Daily

The new study found that after prolonged races, red blood cells become less flexible.

From Science Daily

The researchers also found that the metabolic benefits of prolonged hypoxia lasted for weeks to months after mice were returned to normal oxygen levels.

From Science Daily

Doctors had warned a prolonged use of the life support system might have compromised his lungs, liver and kidneys.

From BBC

Schauffele, ranked 13th in the world, also had a prolonged day.

From Los Angeles Times