Words / C1

inf-il-TRAYSHUN/ˌɪnfɪlˈtreɪʃn/

Infiltration is secretly entering a group or place, or liquid seeping in: infiltration of a network, water infiltration. Penetration is the close twin; a damp stain above the papers is a conditions log, not “character”.

Meaning

The act of entering a place or group secretly; also the slow entry of a liquid.

Examples

• “Infiltration of lifestyle copy into an empty n is still a methods choice.”
• “Water infiltration above the script store is a conditions log, not “character”.”
• “Penetration is the close twin. Seepage is the liquid twin. Character is a story. A stain and a date are evidence. Move the bags; book the roofer; keep character for the guidebook.”

Good to know

Secret entry, or seeping in. Close: penetration. Damp above scripts ≠ character.

Near in meaning

penetration, seepage

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