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) trench (set, plant, or bury in a trench) "trench the fallen soldiers"; "trench the vegetables"
S: (v) trench, ditch (cut a trench in, as for drainage) "ditch the land to drain it"; "trench the fields"
S: (v) trench (dig a trench or trenches) "The National Guardsmen were sent out to trench"