genealogy

UK: /ˌdʒiːniˈælədʒi/

US: /ˌdʒiniˈɑlədʒi, -ˈæl-, ˌdʒɛni-/

US: ( jē′nē ol′ə jē, -al′-, jen′ē-)

Inflections of 'genealogy' (n): npl: genealogies

WordReference Random House Learner's Dictionary of American English © 2025

ge•ne•al•o•gy /ˌdʒiniˈɑlədʒi, -ˈæl-, ˌdʒɛni-/   n., pl. -gies. 

1. [countable] a record or account of the ancestry and descent of a person, family, group, etc.
2. [uncountable] the study of family ancestries and histories.
3. ancestry; descent from an original form:
   [countable] the genealogy of certain plants.

ge•ne•a•log•i•cal /ˌdʒiniəˈlɑdʒɪkəl, ˌdʒɛni-/  ge•ne•a•log•ic, adj. 
ge•ne•al•o•gist, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2025

ge•ne•al•o•gy  ( jē′nē ol′ə jē, -al′-, jen′ē-), n., pl. -gies. 

1. a record or account of the ancestry and descent of a person, family, group, etc.
2. the study of family ancestries and histories.
3. descent from an original form or progenitor; lineage;
   ancestry.
4. Biology a group of individuals or species having a common ancestry:
   The various species of Darwin's finches form a closely knit genealogy.

• Greek geneālogía pedigree, equivalent. to geneá̄ race (see gene) + -logia -logy
• Late Latin geneālogia
• Middle French
• Middle English genealogie 1250–1300

ge•ne•a•log•i•cal  (jē′nē ə loj′i kəl, jen′ē-), ge′ne•a•log′ic, adj.  ge′ne•a•log′i•cal•ly, adv. 
ge′ne•al′o•gist, n. 
Synonyms

• 1. See pedigree. 

Collins Concise English Dictionary © HarperCollins Publishers::

genealogy / ˌdʒiːnɪˈælədʒɪ/ noun ( -gies)

1. the direct descent of an individual or group from an ancestor
2. the study of the evolutionary development of animals and plants from earlier forms
3. a chart showing the relationships and descent of an individual, group, genes, etc

Etymology: 13th Century: from Old French genealogie, from Late Latin geneālogia, from Greek, from genea race

genealogical / ˌdʒiːnɪəˈlɒdʒɪk^əl/, ˌgeneaˈlogic adjective

ˌgeneaˈlogically adverb

ˌgeneˈalogist noun