dimming
dim-ming
verb
Becoming or causing something to become less bright or clear.
"The stage lights were dimming slowly."
noun
The act or process of making or becoming less bright or intense.
"The gradual dimming of the lights created atmosphere."
Thesaurus
Synonyms: obtuse, dumb, dull, slow, stupid, dim, dense, dip, dark, subdued, blind, low-beam