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Definitions

genealogy

[jee-nee-ol-uh-jee, -al-, jen-ee-] / ˌdʒi niˈɒl ə dʒi, -ˈæl-, ˌdʒɛn i- /
NOUN
person's family tree
Synonyms
STRONGEST
ancestry genetics lineage
STRONG
derivation descent extraction generation heredity history line parentage pedigree stemma stock strain
WEAK
blood line progeniture stirps

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Working with the FBI, Arlington police had finally solved the crime that summer through genetic genealogy, matching the killer’s DNA to relatives in a public database.

From Slate • Apr. 6, 2026

In recent years, when a new break in a cold case makes headlines, it’s often because of updated genealogy tools or forensic detection technology.

From Slate • Apr. 6, 2026

“We’re not done. We’ve got a lot more in front of us,” he said, including testing the DNA against genealogy sites.

From The Wall Street Journal • Feb. 18, 2026

Julia Masli, the comic behind the captivatingly bizarre “ha ha ha ha ha ha ha,” may be from Estonia, but in clown genealogy she is a close relation to Andy Kaufman’s Latka.

From Los Angeles Times • Oct. 21, 2025

I see the genealogy room from a distance.

From "Allegiant" by Veronica Roth