untrust

U1N1T1R1U1S1T1

noun

Lack or absence of trust; mistrust.

Opposite
RareScrabble 7

Meanings

untrust1

noununtrust (usually uncountable, plural untrusts)

plural untrusts

  1. uncountableusuallyLack or absence of trust; mistrust.

    I would like to remind you that it is untrust not distrust, that it is fear and, in a way, natural.

    2013, Osho International Foundation, I Say Unto You: Jesus: Son of God or Mystic?
    3 more examples

    Alternatively, untrust corresponds to the space between distrust and trust, in which an agent is positively trusted, but not sufficiently to cooperate with.

    2006, Matthias Klusch, Michael Rovatsos, Terry R. Payne, Cooperative Information Agents X

    The absence of trust is sometimes called untrust (Marsh and Dibben, 2005). As most of the trust literature focuses on the positive aspect of trust, it is restricted to the simple dichotomy between trust and untrust.

    2009, Kai Rannenberg, Denis Royer, André Deuker, The Future of Identity in the Information Society

    I almost have a feeling of trust, and then have an untrust feeling; she is only happy when I pay something for her.

    2023, Derward Rollison, The Ups and Downs in Life
  2. uncountableusuallyengineeringThe zone representing everything that originates outside of the firewall.

    The untrust zone is designed typically for the Internet or other undesirable places.

    2011, Thomas W Shinder, The Best Damn Firewall Book Period, page 974
    2 more examples

    You have only two zones (admins and untrust), so there are two intra-zone policy contexts (admins to admins and untrust to untrust ) and two inter-zone policy contexts ( admins to untrust and untrust to admins ) .

    2011, Walter J. Goralski, Cathy Gadecki, Michael Bushong, JUNOS OS For Dummies, page 219

    In this example, we enable AppTrack in the trust and untrust zone, along with a syslog server to send the logs to our STRM at 192.168.1.20.

    2013, Brad Woodberg, Rob Cameron, Juniper SRX Series, page 872

untrust2

adjectiveuntrust (comparative more untrust, superlative most untrust)

comparative more untrust · superlative most untrust

verbuntrust (third-person singular simple present untrusts, present participle untrusting, simple past and past participle untrusted)

present singular third person untrusts · participle present untrusting · participle past untrusted · past untrusted

  1. To fail to trust; to distrust.

    Material or labor trusted in one State would have to untrust itself at crossing into the next .

    1897, William Louis Bass, The Force of Circumstances, page 10
    2 more examples

    As to pray and not to trust, so to trust and not to expect, to trust and then to murmur, to trust and to untrust, whiles we are speaking, to get the soul to put it selfe upon Christ , and before we have done speaking, to pluck of the soul againe, to deface our own fealing, to cast away our confidence, this is ill, very ill .

    1656, Obadiah Sedgwick, The Humbled Sinner Resolved what He Should Do to be Saved, page 228

    upon the verity thereof I am content to die, and ready to lay down my life; and hope your charity to me a dying man, will be such as not to untrust me therein; especially since it is notoriously adminiculate by act of secret Council , and yet denied upon oath by the principal officers of state present in Council at the making of said act, and whom the act bears to have been present;

    1874, John Howie, The Scots Worthies, page 277
  2. engineeringTo mark or flag (something) as untrustworthy.

    To untrust one document, you have to untrust them all.·

    2010, Bill Jelen, Rev Up to Excel 2010: Upgraders Guide to Excel 2010, page 27
    2 more examples

    […] to untrust (if delete is not possible) a certificate from macOS using Keychain Access.

    2019, Herong Yang, PKI Tutorials - Herong's Tutorial Examples, page 152

    Indeed, when a node catches a malicious one, it will try to untrust it, and so the others who did not identify the malicious nodes as wicked will be more and more suspicious.

    2022, Emilien Bourdy, Marwane Ayaida, Hace\ne Fouchal, “Misbehavior Verification on Cooperative Intelligent Transpor System”, in Frank Phillipson, Gerald Eichler, Christian Erfurth, editor, Innovations for Community Services, page 193

Synonyms & antonyms

Opposite

Origin

untrust · noun

  1. Middle Englishuntrust
  2. Englishuntrust

From Middle English untrust, untrost, untrist, likely from un- + trust. Cognate with Icelandic útraust (“untrust”). Compare also Swedish otro (“lack of faith, disbelief”).

Full word history & related roots →

untrust · adjective, verb

  1. Old Norseútraustr“untrustworthy”
  2. Middle Englishuntrust
  3. Englishuntrust

From Middle English untrust, untriste, probably from Old Norse útraustr (“untrustworthy”). Cognate with Icelandic útraustur.

Full word history & related roots →

Rhymes & wordplay

Rhymes with untrust

All rhymes →
Cite this entry
APA

untrust. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/untrust

MLA

“untrust.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/untrust. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “untrust,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/untrust.

Source: untrust on Wiktionary, CC BY-SA 4.0.