Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb diminish

2 senses of diminish

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")
       => change magnitude -- (change in size or magnitude)

Sense 2
diminish, belittle -- (lessen the authority, dignity, or reputation of; "don't belittle your colleagues")
       => decrease, lessen, minify -- (make smaller; "He decreased his staff")