verb (used without object)
verb (used with object)
Examples from the Web for pre-existing
He noted that Khamenei had a pre-existing condition, but provided no further details.
First, the human recipients of the vaccine will not have pre-existing immunity to it.
Most people—at least 95 percent of adults—have pre-existing antibody to measles.
To that end, Shumlin has proposed $10 million in spending between more money for pre-existing programs and the new legislation.
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|Michael Daly|February 14, 2014|DAILY BEAST
If not a germ, what is this pre-existing vital something which their language implies?Life: Its True Genesis|R. W. Wright
Moreover, the last operations of water have a tendency to disturb and confound together all pre-existing alluviums.A Manual of Elementary Geology|Charles Lyell.
Smaller additions appear in the form of new sections incorporated in pre-existing chapters.
That style I conceive to have been compounded of all pre-existing styles.Southern Spain|A.F. Calvert
Portions of it also disclose rounded masses of pre-existing rocks.
British Dictionary definitions for pre-existing
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.