The Oxford Thesaurus An A-Z Dictionary of Synonyms - diminishv.

1) decrease, decline, abate, lessen, reduce, lower, shrink, curtail, contract, lop, crop, dock, clip, prune, cut, truncate, cut down, abbreviate, shorten, abridge, compress, condense, pare (down) , scale down, boil down: As the height increases, the pressure diminishes. The need for police patrols was diminished when we hired security guards. 2) belittle, disparage, degrade, downgrade, discredit, detract (from) , vitiate, debase, deprecate, demean, derogate, depreciate, vilipend, devalue, cheapen, put down, dismiss, humiliate, demean, reject: His abuse by the authorities did not diminish him in her eyes. 3) wane, fade, dwindle, ebb, die out or away, peter out, recede, subside; slacken, let up, wind down, slow (down) , ease (off) , Colloq run out of steam: Soaking in the hot water, I felt the tensions of mind and body gradually diminishing. The campaign finally diminished to a negligible effort.