The Oxford Thesaurus An A-Z Dictionary of Synonyms - sever v.

1) cut off or apart or in two, lop or chop or hew or hack off, slice or shear off, cleave, dock, bob, dissever, split, separate, divide, disjoin, detach, disconnect: The animal's foot was severed by the trap. 2) separate, disunite, dissolve, break off or up, terminate, end, cease, stop, discontinue, suspend, abandon, put an end to: The final divorce decree severed us from one another once and for all.