Humiliate, criticise, demean
to belittle = herabsetzen to belittle = herabwürdigen
Belittle, littleness
Dissapointment
To pick on somebody
One alternative word that can be used instead of "they" is "them."
"Stupidity" is not inherently a bad word, but it can be considered offensive depending on the context in which it is used. It is often seen as derogatory and hurtful when used to insult or belittle someone.
Don't let someone belittle you because your vocabulary does not include words that are rarely used.
No, the word you are looking for is undermine.
He belittled her when she didn't get the right answer.
Candidates for public office may resort to negative ads that belittle theropponents' records.
Belittle is being little.
The word "bastard" is considered offensive and derogatory when used to insult or belittle someone, so it can be seen as a mild curse word. However, in some contexts, it can also be used informally without strong negative connotations.