1 Sometimes, quasi. as if, as it were, seemingly, apparently, partly, to some extent, to all intents and purposes, more or less, virtually, almost:
Her apology seemed only quasi-sincere to me. His function in the proceedings was quasi-judicial.
2 Often, quasi. so to speak, kind of, sort of; pretended, fake, pseudo, so-called, supposed, artificial, mock, sham, Colloq phoney or US also phony:
His quasi excuse does not diminish the horror of what he did.