lessen the authority, dignity, or reputation of; "don't belittle your colleagues"権威、威厳、または評判を減らす貶する
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"サイズ、または範囲を縮小する退潮