[f. WORSER a. or v. + -MENT, after betterment.] = WORSEMENT.
1890. Daily News, 10 Feb., 5/5. There is the prevention of what, if we may coin so barbarous a term, may be called the avoidance of worserment.
1902. C. G. Harper, Holyhead Road, I. 93. They received no compensation for this worserment which must have practically ruined many of them.