has been dimming
Present perfect progressive he/she conjugation of dim.

dim

Popularity
500+ learners.
For no obvious reason, Tabby's Star has been dimming and brightening in strange and unpredictable ways.
Sin ninguna razón obvia, la Estrella de Tabby se ha estado atenuando y brillando de formas extrañas e impredecibles.
Other Dictionaries
Explore the meaning of dim in our family of products.
Word of the Day
snowfall