Seth

UK: /sɛθ/ US: (seth)

WordReference Random House Unabridged Dictionary of American English © 2026

Seth  (seth), n. 

1. Bible the third son of Adam. Gen. 4:25
2. a male given name: from a Hebrew word meaning "substitute.''

Seth  (sāt), n. [Egyptian Relig.]

1. Eastern Religions Set.

Collins Concise English Dictionary © HarperCollins Publishers::

Seth / sɛθ/ noun

1. Adam's third son, given by God in place of the murdered Abel (Genesis 4:25)

WordReference Random House Unabridged Dictionary of American English © 2026

Thom•as  (tom′əs for 1, 2, 4–14; tô mä′ for 3), n. 

1. Bible an apostle who demanded proof of Christ's Resurrection. John 20:24–29.
2. Biographical Augustus, 1857–1934, U.S. playwright, journalist, and actor.
(Charles Louis) Am•broise  (sharl lwē än brwaz′), 1811–96, French composer.
3. Biographical Clarence, born 1948, U.S. jurist: associate justice of the U.S. Supreme Court since 1991.
Dyl•an (Mar•lais)  (dil′ən mär′lā), 1914–53, Welsh poet and short-story writer.
4. Biographical George Henry, 1816–70, Union general in the U.S. Civil War.
5. Biographical John, 1724–76, American physician and general in the American Revolution.
6. Biographical Lowell (Jackson), 1892–1981, U.S. newscaster, world traveler, and writer.
7. Biographical Martha Carey, 1857–1935, U.S. educator and women's-rights advocate.
Norman (Mat•toon)  (mə to̅o̅n′), 1884–1968, U.S. socialist leader and political writer.
8. Seth, 1785–1859, U.S. clock designer and manufacturer.
9. Biographical Theodore, 1835–1905, U.S. orchestra conductor, born in Germany.
10. Biographical William Isaac, 1863–1947, U.S. sociologist.
11. See doubting Thomas. 
12. a male given name: from an Aramaic word meaning "twin.''