1. (

• decrease ,
• diminish ,
• 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" ;

2. (

• decrease ,
• lessen ,
• minify

) make smaller; "He decreased his staff" ;

1. (

• decreasing

) becoming less or smaller ;

2. (

• decreasing ,

) (music) decreasing in tempo and/or volume ;