infiltrate
English · Español · Italiano · Thesaurus
AI In plain words
Writing a short explanation…
Written by a house AI from the entry below, in your language. The entry itself is the source.
infiltrate
- /ˈɪnfɪltɹeɪt/ UK
- /ˈɪnfəltɹeɪt/ US
- /ɪnˈfɪltɹeɪt/ US
Where it comes from
From Middle English infiltrate (adjective), from Medieval Latin infiltrātus, from infiltrō.
verb infiltrates · infiltrating · infiltrated
- To surreptitiously penetrate, enter or gain access to. The spy infiltrated the high-tech company and stole many secrets.
- To cause to penetrate in this way. The agency infiltrated several spies into the company.
- To pass through something by filtration.
- To cause (a liquid) to pass through something by filtration.
- To invade or penetrate a tissue or organ. High-grade tumors often infiltrate surrounding structures.
-
To send (soldiers, spies, etc.) through gaps in the enemy line.
Opposite: exfiltrate
- To move from a vein, remaining in the body.
noun infiltrates
- Any undesirable substance or group of cells that has made its way into part of the body. One critical distinction to make is whether a focal corneal infiltrate is infected with bacteria or is a sterile immunologic response.
Thesaurus
Closest in meaning: pass through, sneak, pass, get, enter, crash, put, crawl, breach, penetrate, leak, seep, permeate, cross, slip, insinuate
Translations
Every language
verb to cause a fluid to pass through a substance by filtration
| Español | infiltrar |
|---|---|
| 日本語 | 浸透させる shintō saseru |
| Italiano | filtrare |
verb to surreptitiously penetrate, enter or gain access
| Español | infiltrarse |
|---|---|
| 日本語 | 潜入する sennyū suru |
| हिन्दी | घुसपैठ करना ghuspaiṭh karnā, पैठना paiṭhnā |
| Français | infiltrer |
| Deutsch | infiltrieren, unterwandern |
| Italiano | infiltrare |
| Ελληνικά | διεισδύω dieisdýo |
| Русский | проса́чиваться prosáčivatʹsja, просочи́ться prosočítʹsja, проника́ть pronikátʹ, прони́кнуть proníknutʹ |
verb to send soldiers through gaps in the enemy line
| 日本語 | 潜入させる sennyū saseru |
|---|---|
| Italiano | infiltrare |
| Русский | проникать в тыл противника pronikatʹ v tyl protivnika, проникнуть в тыл противника proniknutʹ v tyl protivnika |
Talk about this word "infiltrate." Wiktionary, via Micwyn, micwyn.com/word/infiltrate. Accessed 6 Nov. 2026. infiltrate. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/infiltrate "infiltrate." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/infiltrate.Cite this
@misc{infiltrate_2026,
title = {infiltrate},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/infiltrate},
urldate = {2026-11-06}
}
