What part of speech is flutter?

"Flutter" can be several parts of speech depending on its use:

* Verb: It can mean to move with irregular, quick movements, like a bird's wings. ("The butterfly fluttered its wings.")

* Noun: It can refer to the act of moving with irregular, quick movements. ("The flutter of the flag in the breeze was calming.")

* Adjective: It can describe something that is light and delicate, often with quick movements. ("The butterfly had a fluttery flight.")

To determine the correct part of speech, you need to examine the context in which the word is used.