Though anti-Franco in their student days, the well-educated economists gradually infiltrated the public sector during the final years of his rule.
Techniques borrowed from the nineteenth-century poster-artists gradually infiltrated the book industry, as did the professional practice of graphic design.
Books began to migrate more freely in and out of the living room, and new objects gradually infiltrated the Wall, until the whole thing had pretty much relaxed into an unphotogenic normalcy.
Possibly, men would gradually infiltrate into industry, particularly war factories.
They were gradually infiltrating the crowd, in ones and twos, smiling and applauding so as not to seem out of place, but someone else looked out through their cold eyes.
If you allow them, psychic vampires will gradually infiltrate your everyday life until you have no privacy left-and your constant feeling of concern for them will deplete you of all ambition.
Agents of the Association gradually infiltrated local trust syndicates in the area between 1904 and 1905, and confirmed these speculations.
If the animal is subsequently buried in mud, mineral salts infiltrate into the bones and gradually fill up the pores.
Meanwhile the Franks were gradually infiltrating and assuming power in this domain.
Chicken curry ($3.50), pieces of chicken legs, was tender and subtle, the spice gradually infiltrating the mouth.