Definition of "abash"

abash

/əˈbæʃ/

verb
third-person singular simple present abashes, present participle abashing, simple past and past participle abashed
1. (transitive) To make ashamed; to embarrass; to destroy the self-possession of, as by exciting suddenly a consciousness of guilt, mistake, or inferiority; to disconcert; to discomfit.
  Quotations
  He was a man whom no check could abash
  1849–1861, Thomas Babington Macaulay, chapter 14, in The History of England from the Accession of James the Second, volumes (please specify |volume=I to V), London: Longman, Brown, Green, and Longmans
  The stare seemed to abash Poirot.
  1934, Agatha Christie, chapter 8, in Murder on the Orient Express, London: HarperCollins, published 2017, page 129
2. (intransitive, obsolete) To lose self-possession; to become ashamed.
  Quotations
  [...] as King Uther lay by his queen, he asked her, by the faith she owed to him, whose was the body; then she sore abashed to give answer.
  1485 July 31, Sir Thomas Malory, chapter III, in William Caxton, editor, Le Morte d'Arthur‎, volume 1