Belittle – Make a person or action appear unimportant
"Be little!" (belittle) the genie said. Suddenly the intimidating character became someone you could easily dismiss as unimportant.
Examples of belittle in a sentence
The boss would often belittle his staff for bad grammar despite the fact his was infinitely worse and often incorrect.
Since he did not get the correct answer, he is now trying to belittle the test as an unworthy event.
Despite hearing constructive feedback, he would belittle it and do his own thing, usually resulting in the wrong answer.