Isaac
//ˈaɪzək// name
name ·Rare ·Advanced level
Definitions
Proper Noun
- 1 The son of Abraham and Sarah, father of Esau and Jacob, from whom the Hebrew people trace their descent. countable, uncountable
"And Abraham circumciſed his ſonne Iſaac, being eight dayes old, as God had commanded him."
- 2 A male given name from Hebrew. countable, uncountable
- 3 A surname originating as a patronymic. countable, uncountable
- 4 A local government area in central Queensland, Australia, named after the Isaac River; in full, Isaac Region. countable, uncountable
Synonyms
All synonymsExample
More examples"Isaac was a leader of the Jewish people."
Etymology
From Middle English Ysaac, from Latin Isaac, from Ancient Greek Ἰσαάκ (Isaák), from Hebrew יצחק (Yiṣḥāq, literally “he laughs, he will laugh”). Explained in Genesis as referring to his mother Sarah’s laughing when she was told she would have a son at her old age. The verb is masculine, however, perhaps due to its use as a boy’s name.
Related phrases
More for "isaac"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.