In actual life a certain chivalrous attitude toward women existed at most toward hetairai, in which case, as a matter of course, it was adulterated with a very unpleasant ingredient of frivolous sentimentality.... "Primitive Love and Love-Stories" by Henry Theophilus Finck

As a means of knowing arrowroot when it is good, it may be as well to state, that the genuine article, when formed into a jelly, will remain firm for three or four days, whilst the adulterated will become as thin as milk in the course of twelve hours. "The Book of Household Management" by Mrs. Isabella Beeton

They had children whom they had to bring up for the most part on 'skim' milk, bread, margarine, and adulterated tea. "The Ragged Trousered Philanthropists" by Robert Tressell