from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Judaism Unclean and unfit for consumption according to dietary law; not kosher.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Ceremonially unclean, according to the Jewish law; -- opposed to kosher.

from The Century Dictionary and Cyclopedia

  • Unlawful; unclean: opposed to kosher as used by Hebrews.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. not conforming to dietary laws


from The American Heritage® Dictionary of the English Language, 4th Edition

Yiddish treyf, from Hebrew ṭərēpâ, carrion, from ṭārap, to tear; see ṭrp in Semitic roots.


  • Sam kept a kosher house, and nonkosher cake is tref from the Yiddish word for unclean, so Reed couldnt bring it in, couldnt even let it touch the silverware.

    Let Me Eat Cake

  • Within the walls he might move at will, perhaps his freedom extended even to the tref that lay outside the gate.

    His Disposition

  • And within the hour they were riding alongside the high stockade of Owain's royal seat and tref of Aber, and the porters and guards at the gates had seen the shimmer of their colours nearing, and cried their coming within.

    His Disposition

  • No, it would not be news of crucial importance, like the invasion from Ireland, tref would not spread it to tref and maenol to maenol as Owain's couriers had spread word of the muster to Carnarvon.

    His Disposition

  • Fe fydd yn rhaid pwyso ar y llywodraeth i wneud yn siwr bod Carchar Caernarfon yn sefydliad cyhoeddus sydd yn mabwysiadu polisi iaith blaengar, er mwyn gwarchod hunaniaeth tref Caernarfon.

    Carchar i Gaernarfon

  • Nou behoort ons weer as gemeenskap, privaat-sektor en regering hande te vat in die stryd teen armoede, werkloosheid en misdaad wat soos plae ons land tref.

    ANC Daily News Briefing

  • Dit tref nie slegs die rykes of slegs die armes nie.


  • En terwyl ek dit weer wil stel dat ons geregverdigde en gegronde vrese baie ernstig opneem, moet ek ook ten opsigte van Afrikaners vermeld hoe dikwels dit my tref dat hulle opmerk dat die nuwe Suid-Afrika hulle 'n gevoel van bevryding gee noudat ons almal' n breer wereld van verhoudings met al ons mede -

    ANC Daily News Briefing

  • When a utensil becomes tref, the way you cleanse it is to bury it in the earth.

    Saturday the Rabbi Went Hungry

  • _ Clean, according to Jewish ritual law; opposed to = tref =, unclean.

    The Promised Land


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  • Good thing I'm not Word-Jewish then, or clicking on this page would have been problematical!

    November 21, 2010

  • Listed ONCE! That's not kosher on Wordnik.

    November 20, 2010