decrease, diminish, lessen, fall (verb)
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"
diminish, belittle (verb)
lessen the authority, dignity, or reputation of
"don't belittle your colleagues"
To make smaller.
To become smaller.
To disappear gradually.
To reduce a perfect or minor interval by a semitone.