genealogy

noun

ge·​ne·​al·​o·​gy ˌjē-nē-ˈä-lə-jē 

also

-ˈa-lə- 

 also  ˌje-nē-

plural genealogies

1

: an account of the descent of a person, family, or group from an ancestor or from older forms

2

: regular descent of a person, family, or group of organisms from a progenitor (see progenitor sense 1) or older form : pedigree

3

: the study of family ancestral lines

4

: an account of the origin and historical development of something

genealogical

ˌjē-nē-ə-ˈlä-ji-kəl 

ˌje-nē-

adjective

genealogically

ˌjē-nē-ə-ˈlä-ji-k(ə-)lē 

ˌje-nē-

adverb

Synonyms

• ancestry
• birth
• blood
• bloodline
• breeding
• descent
• extraction
• family tree
• line
• lineage
• origin
• parentage
• pedigree
• stock
• strain

Examples of genealogy in a Sentence

They've been researching their genealogies.

has a distinguished genealogy that traces back to William the Conqueror

Recent Examples on the Web

After exhausting almost all leads, the pair turned to forensic genealogy, a practice that finds potential relatives through DNA matches to identify a suspect, according to the Justice Department. —Lauren De Young, The Arizona Republic, 1 Nov. 2024

Investigators use genetic genealogy to solve cold cases by using suspect DNA collected from a crime scene, analyzing it, and converting it into a raw data file. —Alaa Elassar, CNN, 5 Nov. 2024

Granger died in 1866 from childbirth complications and was identified using forensic genealogy. —Saleen Martin, USA TODAY, 26 Oct. 2024

The volunteer group matched the DNA profile to Lavery using forensic genealogy. —Sean Neumann, People.com, 24 Oct. 2024

Word History

Etymology

Middle English genealogie, from Anglo-French, from Late Latin genealogia, from Greek, from genea race, family + -logia -logy; akin to Greek genos race

First Known Use

14th century, in the meaning defined at sense 1

Kids Definition

genealogy

noun

ge·​ne·​al·​o·​gy ˌjē-nē-ˈäl-ə-jē  ˌjen-ē- 

-ˈal-

plural genealogies

1

: the line of ancestors of a person or family or a history of such a line of ancestors

2

: the study of family lines of ancestors

genealogical

ˌjē-nē-ə-ˈläj-i-kəl 

ˌjen-ē-

adjective

genealogically

-k(ə-)lē 

adverb

genealogist

-ˈäl-ə-jəst

-ˈal-

noun