Tref

//ˈtɹɛf// adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A hamlet in Britain in pre-Saxon times. historical
Adjective
  1. 1
    Alternative form of treyf (“not kosher”). alt-of, alternative, not-comparable
Adjective
  1. 1
    not conforming to dietary laws wordnet

Synonyms

All synonyms
contaminatedimpureinfectednonkoshernonkosherpolluted

Etymology

Etymology 1

Compare Welsh tref (“town”).

Etymology 2

See treyf.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.