infiltrate

¹in·fil·trate

verb \in-ˈfil-ˌtrāt, ˈin-(ˌ)\

in·fil·trat·edin·fil·trat·ing

Definition of INFILTRATE

transitive verb

1

: to cause (as a liquid) to permeate something by penetrating its pores or interstices <infiltrate tissue with a local anesthetic>

2

: to pass into or through (a substance) by filtering or permeating

intransitive verb

: to enter, permeate, or pass through a substance or area