Final answer:
The plural form of 'dragonfly' is 'dragonflies'.
Step-by-step explanation:
The plural form of 'dragonfly' is dragonflies. In English grammar, when we want to pluralize a noun, we typically add an 's' or 'es' to the end of the word. In this case, we add an 's' to 'dragonfly' to indicate that there are multiple dragonflies.
Learn more about pluralization in English