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Not susceptible: insusceptible to bribery.

in·sus·cep′ti·bil′i·ty n.
in′sus·cep′ti·bly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(when: postpositive, usually foll by to) not capable of being affected (by); not susceptible (to)
ˌinsusˌceptiˈbility n
ˌinsusˈceptibly adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌɪn səˈsɛp tə bəl)

not susceptible; not readily influenced or affected (usu. fol. by of or to).
in`sus•cep`ti•bil′i•ty, n.
in`sus•cep′ti•bly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.insusceptible - not susceptible to
insensitive - not responsive to physical stimuli; "insensitive to radiation"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


1. Not capable of being affected or impressed:
2. Having the capacity to withstand:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


adjnicht anfällig (to für), unempfindlich (to gegen); (fig: = immune) → unempfänglich (to für); insusceptible to painschmerzunempfindlich
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in classic literature ?
Even a matron is not insusceptible to flattery, and the prospect of a visitor whose great object would be to listen to her conversation, was not without its charms to Mrs.
It fell upon his ear with many tones of tenderness, that were not insusceptible of the new meaning.
They told Stornetta that this has made ETN insusceptible to 51% attacks as it ensures that miners are not aligned.
considered insusceptible of being applied to individuals consistently
shows up to work on a bad day) insusceptible to the emotions and motives
I even recall the first time a carbapenem insusceptible Klebsiella came across my bench (MIC to imipenem of 4 [micro]g/mL).
Bloomberg said that the devaluated Egyptian pound was insusceptible to the plummet that faced Turkish and Argentine currencies, leaving them at low records.
This extensively drug-resistant typhoid has become insusceptible to antibiotics, prompting the United States' Center for Disease Control and Prevention to issue a health advisory for travel to Pakistan.
To the extent that a poem is a thing made of language, and to the extent that something made of language seeks to describe something insusceptible of linguistic description, it will not only fail but necessarily fail.