Is Bolding Grammatically Correct?

—is unequivocally yes, bolded is definitely a word. In the grand tradition of English, we can take words and make them verbs.

Is bolding a word?

Yes, bolding is in the scrabble dictionary.

What does bolding words mean?

Bold strongly stands out from regular text, and is often used to highlight keywords important to the text's content. For example, printed dictionaries often use boldface for their keywords, and the names of entries can conventionally be marked in bold.