Is intentionally a noun,verb,adverb?

I think it is an adverb am i correct?

Yes. You are right.

If you were reading a story and you came across a word you don't know, where would be the first place you would look for a definition -- glossary or a dictionary?

I think glossary am i correct?

Most stories don't have a glossary.

The dictionary is your best source.

If you type a word into the Google search box, you'll find lots of definitions.

Yes, you are correct. "Intentionally" is an adverb. It is used to describe how an action is done or why it is done. To determine the part of speech of a word, it can be helpful to look at its form and how it is used in a sentence. In the case of "intentionally," it is derived from the adjective "intentional" by adding the suffix "-ly," which is typical for forming adverbs in English. Additionally, it modifies a verb, describing the manner or attitude in which the action is performed, which is typical of adverbs.