infiltrate
verb
[ ˈɪnfɪltreɪt ]
• enter or gain access to (an organization, place, etc.) surreptitiously and gradually, especially in order to acquire secret information.
• "the organization has been infiltrated by informers"
Similar:
penetrate,
invade,
intrude on,
insinuate oneself into,
worm one's way into,
sneak into,
slip into,
creep into,
impinge on,
trespass on,
butt into,
gatecrash,
muscle in on,
• (of a liquid) permeate (something) by filtration.
• "virtually no water infiltrates deserts such as the Sahara"
Similar:
permeate,
penetrate,
pervade,
filter through,
percolate through,
spread through,
seep into,
seep through,
soak into,
flow into,
pass into,
get into,
enter,
infiltrate
noun
• an infiltrating substance or a number of infiltrating cells.
• "a chest radiograph revealed a patchy infiltrate in the left lower lobes"
Origin:
Middle English (as infiltration ): from in-2 + filtrate.
