Definitions for "Impinge"
To fall or dash against; to touch upon; to strike; to hit; to clash with; -- with on or upon.
To strike and attack directly, as in curvilinear flow where the current does not follow the curve but continues on tangent into the bank on the outside of bend in the channel.
impinge or infringe upon; "This impinges on my rights as an individual"; "This matter entrenches on other domains"
To force the tissue away from its natural position, causing periodontal disorders.
Keywords:  beyond, advance, limit, usual
advance beyond the usual limit