Ἰουδαΐζω

Ioudaḯzō

G2450 verb

SILEX Entry

Root Ἰουδα- to practice the customs of Judeans, to act as a Judean

Definition

To live or behave according to Judean (Ioudaios) customs, observe practices distinctive of the Judean community, or adopt ways of life identified with Judeans. The core sense is 'to follow Judean customs,' but can also include adopting or promoting behaviors, observances, or cultural/religious practices associated with the Judean population.

Semantic Range

to live according to Judean customs, to adopt Judean practices, to observe Judean law, to conform to norms of Judean community, to promote or require adoption of Judean practices

Root / Etymology

Formed from Ἰουδαῖος (Ioudaios, 'Judean') with the verbal suffix -ίζω (-izō), indicating 'to act in the manner of,' thus meaning 'to practice Judean customs' or 'to live as a Judean.'

Historical & Contextual Notes

The verb Ἰουδαΐζω appears primarily in Hellenistic and early Roman period texts, notably in Galatians 2:14 in the New Testament, where Paul addresses the adoption or imposition of Judean customs upon non-Judeans, particularly with regard to dietary practices and possibly broader Torah observance. The term does not necessarily connote religious conversion in the modern sense, but rather refers to lifestyle conforming to Judean custom, such as dietary law, circumcision, or festival observance. In later Christian tradition, translations often rendered this as 'to Judaize' or 'live as the Jews,' but these can obscure the original socio-cultural and geographic sense of the term. In some Hellenistic contexts, -ίζω forms denote adopting a specific way of life or practice (cf. Ἑλληνίζω — 'to Greek-ize,' or 'live as a Greek'), and so Ἰουδαΐζω directly parallels this sense.

Original Strong's Gloss (1890)

from Ἰουδαῖος; to become a Judæan, i.e. "Judaize":--live as the Jews.

Root Family

Ἰουδαΐζω (Ioudaizō) — to practice Judean customs, to act as a Judean, to adopt Judean ways

Word Forms

1 distinct form

SIDANCE Surface Transliteration Morphology Common SIBI-P1 Occurrences
G2450-01 Ἰουδαΐζειν ioudaizein V PRS ACT INF to live like Jews to practice Judean customs 1

Occurrences in Scripture

1 total occurrence

SIDANCE Reference Word Transliteration Morphology Common SIBI-P1
G2450-01 Galatians 2:14 Ἰουδαΐζειν ioudaizein V PRS ACT INF to live like Jews to practice Judean customs