- to exist prior to (something or someone else); precede: primitive artifacts that preexisted sophisticated tools.
Origin of preexist
Examples from the Web for pre-existing
He noted that Khamenei had a pre-existing condition, but provided no further details.Ayatollah Khamenei’s Cancer Scare
September 20, 2014
First, the human recipients of the vaccine will not have pre-existing immunity to it.Ebola Vaccine Will Do Little for Current Crisis
August 28, 2014
Most people—at least 95 percent of adults—have pre-existing antibody to measles.Are Viruses the Next Cure for Cancer?
May 15, 2014
To that end, Shumlin has proposed $10 million in spending between more money for pre-existing programs and the new legislation.Heroin Threatens Vermont’s Rural Paradise
February 19, 2014
The issue can be complicated by a thaw followed by a freeze, or by pre-existing ice.As de Blasio Loses Roker, Call In the Weather Detective
February 14, 2014
It implies a pre-existing something, inwrapped as a germ in its environment.Life: Its True Genesis
R. W. Wright
It is hard to see how a pre-existing soul can perish utterly.A History of Mediaeval Jewish Philosophy
To speak of an end is to think of a pre-existing model which has only to be realized.Creative Evolution
All we get is a transformation of pre-existing material into new forms.Theism or Atheism
I ask you whether it was pre-existing, or at what stage it came?A Few Words About the Devil
- occurring or existing previously
Word Origin and History for pre-existing
also preexisting, 1590s, past participle adjective from pre-exist. The medical insurance pre-existing condition is attested from 1942.