[noun] a change downward; "there was a decrease in his temperature as the fever subsided"; "there was a sharp drop-off in sales" Synonyms:lessening, drop-off
[noun] a process of becoming smaller or shorter Synonyms:decrement
[noun] the amount by which something decreases Synonyms:decrement
[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 fall to under a hundred pounds"; "his voice fell to a whisper" Synonyms:diminish, lessen, fall
[verb] make smaller; "He decreased his staff" Synonyms:lessen, minify