overbound
/ˌəʊvəˈbaʊnd/verb
1 [with object] Mathematics. To set an upper bound to (a result, function, etc.).
2 [with object] Chiefly Geography. To set the bounds of something larger than is appropriate, or larger than the minimum necessary; to draw a boundary so as to include too large an area, category, etc.
Origin
1950s; earliest use found in Bell System Technical Journal. From over- + bound.