definition of
diminish

[1] #1 diminish v. [decrease, lessen, fall] decrease in size, extent, or range; "The amount of homework decreased towards the end of the semester"; "The cabin pressure fell dramatically"; "her weight fell to under a hundred pounds"; "his voice fell to a whisper". wn

[2] #2 diminish v. [belittle] lessen the authority, dignity, or reputation of; "don't belittle your colleagues". wn