S: (v) impinge, encroach, entrench, trench (impinge or infringe upon) "This impinges on my rights as an individual"; "This matter entrenches on other domains"
S: (v) trench (fortify by surrounding with trenches) "He trenched his military camp"
S: (v) trench (cut or carve deeply into) "letters trenched into the stone"
S: (v) bore, drill (make a hole, especially with a pointed power or hand tool) "don't drill here, there's a gas pipe"; "drill a hole into the wall"; "drill for oil"; "carpenter bees are boring holes into the wall"