hereditary

adjective

he·​red·​i·​tary hə-ˈre-də-ˌter-ē How to pronounce hereditary (audio)
Synonyms of hereditarynext
1
a
biology : genetically transmitted or transmittable from parent to offspring
The disease is hereditary.
b
: characteristic of or fostered by one's predecessors
a hereditary feud
2
a
: received or passing by inheritance or required to pass by inheritance or by reason of birth
hereditary wealth
b
: having title (see title entry 1 sense 4a) or possession through inheritance or by reason of birth
hereditary nobility
3
: of a kind established by tradition
hereditary enemies
4
: of or relating to inheritance or heredity
… unless he had the hereditary dispositions which he has, he would not behave the way he does …Arthur Pap
hereditarily adverb
Choose the Right Synonym for hereditary

innate, inborn, inbred, congenital, hereditary mean not acquired after birth.

innate applies to qualities or characteristics that are part of one's inner essential nature.

an innate sense of fair play

inborn suggests a quality or tendency either actually present at birth or so marked and deep-seated as to seem so.

her inborn love of nature

inbred suggests something either acquired from parents by heredity or so deeply rooted and ingrained as to seem acquired in that way.

inbred political loyalties

congenital and hereditary refer to what is acquired before or at birth, the former to things acquired during fetal development and the latter to things transmitted from one's ancestors.

a congenital heart murmur
eye color is hereditary

Examples of hereditary in a Sentence

He suffers from a rare hereditary condition. eye and hair color are hereditary
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Pulmonary embolism and hereditary coagulopathy — an arterial blockage in the lungs and issues with blood clotting either too much or too little — contributed to his death, People said. Assistant Editor, Los Angeles Times, 30 Apr. 2026 The Days of Our Lives star died of a myocardial infarction, otherwise known as a heart attack, with his death certificate listing a pulmonary embolism and hereditary coagulopathy, a genetic issue that results in issues with blood clotting, as underlying causes. Glenn Garner, Deadline, 29 Apr. 2026 The document lists pulmonary embolism and hereditary coagulopathy as underlying causes. Brenton Blanchet, PEOPLE, 29 Apr. 2026 The KalVista medicine, called Ekterly, is a pill used to treat acute swelling attacks in people with hereditary angioedema. Elaine Chen, STAT, 29 Apr. 2026 See All Example Sentences for hereditary

Word History

Etymology

Middle English hereditarie, borrowed from Latin hērēditārius "of inheritance, passed by means of inheritance," from hērēdit- (probably extracted from hērēditāt-, hērēditās "succession to an heir, inheritance," taken as hērēdit- + -āt-, -ās) + -ārius -ary entry 2 — more at heredity

Note: See note at heritage.

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of hereditary was in the 15th century

Browse Nearby Words

Cite this Entry

“Hereditary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hereditary. Accessed 6 May. 2026.

Kids Definition

hereditary

adjective
he·​red·​i·​tary hə-ˈred-ə-ˌter-ē How to pronounce hereditary (audio)
1
: genetically passed or capable of being passed from parent to offspring
hereditary traits
2
a
: received or passing by inheritance
hereditary rank
b
: having title or possession through inheritance
hereditary ruler
3
: of or relating to inheritance or heredity

Medical Definition

hereditary

adjective
he·​red·​i·​tary hə-ˈred-ə-ˌter-ē How to pronounce hereditary (audio)
1
: genetically transmitted or transmittable from parent to offspring compare acquired sense 1, congenital sense 2, familial
2
: of or relating to inheritance or heredity
hereditarily adverb

Legal Definition

hereditary

adjective
he·​red·​i·​tary hə-ˈre-də-ˌter-ē How to pronounce hereditary (audio)
1
: received or passing by inheritance or required to pass by inheritance
hereditary shares
2
: having ownership or possession through inheritance
Etymology

Latin hereditarius, from hereditas inheritance, from hered-, heres heir

More from Merriam-Webster on hereditary

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster