| verb | decrease in size, extent, or range “The amount of homework decreased towards the end of the semester” |
| verb | lessen the authority, dignity, or reputation of “don't belittle your colleagues” |
| adjective | impaired by diminution |
| adjective | (of an organ or body part) diminished in size or strength as a result of disease or injury or lack of use “partial paralysis resulted in an atrophied left arm” |
| adjective | (of musical intervals) reduction by a semitone of any perfect or minor musical interval “a diminished fifth” |
| adjective | made to seem smaller or less (especially in worth) “her comments made me feel small” |
| decrease | noun | the act of decreasing or reducing something |
| diminution | noun | change toward something smaller or lower |
| fall | noun | a sudden sharp decrease in some quantity |