Meaning of the word infiltrate in English

What does infiltrate mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

infiltrate

US /ˈɪn.fɪl.treɪt/
UK /ˈɪn.fɪl.treɪt/

Verb

1.

to secretly enter or join an organization or group in order to find out information or harm it

Example:
The spy managed to infiltrate the enemy's headquarters.
They tried to infiltrate the criminal organization.
2.

to pass into or through a substance or area, especially gradually

Example:
Water can infiltrate the soil, reaching the plant roots.
The rain began to infiltrate through the old roof.
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