Definitions
1.nounAn intellectually pretentious person; a pseudointellectual.
2.nounA poseur; one who is fake.
3.noun(travel industry) pseudo-city code
4.noun(clipping) A pseudonym; a false name used for online anonymity.
5.nounA sympathomimetic alkaloid commonly used as a decongestant; a chemical compound, an isomer of ephedrine, with the formula C10H15NO.