infiltrate
//ˈɪn.fɪl.treɪt//
Verb
infiltrateInfinitive
infiltratePresent tense
infiltratedPast tense
infiltratedPast participle
infiltratingPresent participle
infiltratesThird-person singular
1
To secretly enter or gain access to an organization, place, or group, especially to obtain information or cause damage.
The spy managed to infiltrate the enemy's headquarters.
2
To gradually permeate or pass through a substance, especially by filtering or seeping.
Rainwater slowly infiltrated the soil.
3
To cause a liquid or gas to pass through small openings or pores.
The water slowly infiltrated through the porous rock.