diminish
1. [ verb ] decrease in size, extent, or range
Synonyms: decrease lessen fall
Examples:

"The amount of homework decreased towards the end of the semester" "The cabin pressure fell dramatically" "her weight fall to under a hundred pounds" "his voice fell to a whisper"

Related terms: increase change_magnitude dwindle decelerate decline shrivel weaken abate drop_off shrink wane taper ease_up depreciate shorten remit thin_out de-escalate boil_down wane vanish shrink decrescendo break break deflate decrease decrease drop decrease
2. [ verb ] lessen the authority, dignity, or reputation of
Synonyms: belittle
Examples:

"don't belittle your colleagues"

Related terms: decrease
Similar spelling:   diminished
  diminishing
  dominicus