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Answer:

We have spotted INFILTRATE (10 Letters) a total of 1 times in our database. Below you may see the clues associated with INFILTRATE and also when and where was it last seen:

Definition

To enter by penetrating the pores or interstices of a substance; to filter into or through something.
To penetrate gradually; -- sometimes used reflexively.

Referring crossword puzzle clues

Usage among publishers: