Definition of Discountenance

Babylon English Dictionary
shame, embarrass; show disapproval
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Discountenance Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(v. t.)
To ruffle or discompose the countenance of; to put of countenance; to put to shame; to abash.
  
(v. t.)
To refuse to countenance, or give the support of one's approval to; to give one's influence against; to restrain by cold treatment; to discourage.
  
(n.)
Unfavorable aspect; unfriendly regard; cold treatment; disapprobation; whatever tends to check or discourage.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

discountenance
\dis*coun"te*nance\, n. unfavorable aspect; unfriendly regard; cold treatment; disapprobation; whatever tends to check or discourage. he thought a little discountenance on those persons would suppress that spirit.
discountenance
\dis*coun"te*nance\ (?), v. t. [imp. & p. p. discountenanced (?); p. pr. & vb. n. discountenancing (?).] [pref. dis- + countenance: cf. of. descontenancer, f. décontenancer.]
1. to ruffle or discompose the countenance of; to put of countenance; to put to shame; to abash. how would one look from his majestic brow discountenance her despised! the hermit was somewhat discountenanced by this observation. w. scott.
2. to refuse to countenance, or give the support of one's approval to; to give one's influence against; to restrain by cold treatment; to discourage. a town meeting was convened to discountenance riot.

for Vocabulary Exams of KPDS, YDS,UDS (in Turkey); and SAT in America
To look upon with disfavor.
GLOSSARY OF ESOTERIC WORDS
disapprobation**He had demonstrated his discountenance towards the marriage by refusing to attend it.
WordNet 2.0

Verb
1. look with disfavor on; "The republic soon discountenanced its few friends"
(hypernym) shame
2. show disapproval by discouraging; "any measure tending to fuse invalids into a class with special privileges should be discountenanced"
(hypernym) disapprove