The antonyms for the word "infiltrates" are "exfiltrate", "evacuate", "extract", "remove", "retreat", "retract", "clear out" and "evict". These words all suggest a movement away from a particular place, rather than towards it, which is the opposite of infiltrating. Infiltrating typically involves sneaking into a place or gaining unauthorized access, whereas the antonyms imply leaving or vacating an area. The use of antonyms can help to provide a better understanding of a word's meaning by highlighting its opposite or contrasting meanings, which can be useful for writers and readers alike.