infiltrate

word

Definition

To enter or gain access to a place, group, or organization secretly and often gradually, especially in order to get information or cause harm. In science, it can also mean to pass through a substance slowly.

Usage & Nuances

Usually formal or technical—common in military, security, or science contexts. Collocates: 'infiltrate an organization', 'agents infiltrated', 'bacteria infiltrate tissue'. Don't confuse with 'invade' (open, forceful entry).

Example Sentences

The virus managed to infiltrate the computer system.

basic

The spies tried to infiltrate the enemy base.

basic

Water can infiltrate the soil after rain.

basic

It's not easy to infiltrate a close-knit group without being noticed.

natural

Protesters tried to infiltrate the meeting but were stopped at the door.

natural

Hackers often infiltrate networks by sending phishing emails.

natural