Verb: infiltrate in'fil,treyt or 'in-fil,treyt [N. Amer], 'in-fil,treyt [Brit]
- Pass into or through by filtering or permeating
"the substance infiltrated the material"
- Cause (a liquid) to enter by penetrating the interstices
"Water infiltrated the cracked foundation"
- Enter a group or organization in order to spy on the members
"The student organization was infiltrated by a traitor";
- penetrate
- Move secretly through or past enemy defences or territory
"The spies infiltrated the enemy camp";
- pass through
Derived forms: infiltrating, infiltrated, infiltrates
Type of: fall in, filter, join, pass, percolate, permeate, sink in
Encyclopedia: Infiltrate