infiltrate

verb

/ˈɪnfɪltreɪt/

Verb Forms

present simple I / you / we / they infiltrate	/ˈɪnfɪltreɪt/ /ˈɪnfɪltreɪt/
he / she / it infiltrates	/ˈɪnfɪltreɪts/ /ˈɪnfɪltreɪts/
past simple infiltrated	/ˈɪnfɪltreɪtɪd/ /ˈɪnfɪltreɪtɪd/
past participle infiltrated	/ˈɪnfɪltreɪtɪd/ /ˈɪnfɪltreɪtɪd/
-ing form infiltrating	/ˈɪnfɪltreɪtɪŋ/ /ˈɪnfɪltreɪtɪŋ/

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[transitive, intransitive] to enter or make somebody enter a place or an organization secretly, especially in order to get information that can be used against it（使）悄悄进入，潜入
- infiltrate something The headquarters had been infiltrated by enemy spies.总部混入了敌方特务。
- infiltrate somebody into something Rebel forces were infiltrated into the country.反叛力量潜入了这个国家。
- infiltrate into something The CIA agents successfully infiltrated into the terrorist organizations.中央情报局的特工人员成功地渗入了恐怖分子组织。
Topics War and conflictc2
[intransitive, transitive] infiltrate (into) something (specialist) (especially of liquids or gases尤指液体或气体) to pass slowly into something渗入；渗透
- Only a small amount of the rainwater actually infiltrates into the soil.实际上只有少量雨水渗进了土壤。

Word OriginMiddle English (as infiltration): from in- + filtrate.

TOEFL BNC: 11466 COCA: 10390

infiltrate