"decreased" in the verb sense
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
"He decreased his staff"
"decreased" in the adjective sense
1. decreased, reduced
made less in size or amount or degree
Source: WordNet® (An amazing lexical database of English)
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