Definition of "pseud"

pseud¹

/s(j)uːd/

noun
plural pseuds
1. (derogatory) An intellectually pretentious person; a poseur.
  Quotations
  He and two friends were known as “the three pseuds” among the rest of the boys, who thought them too clever by half.
  2012 November 9, Decca Aitkenhead, “Robbie Coltrane: ‘I take no nonsense’”, in The Guardian‎

pseud²

/s(j)uːd/

noun
1. (medicine, colloquial) Pseudomonas bacteria.

pseud³

/s(j)uːd/

noun
plural pseuds
1. (Internet slang) A pseudonym.