Intransitive:
* Meaning: To make a short, high-pitched sound.
* Example: The bird chirped happily.
* Structure: Subject + Verb
* No direct object: The bird isn't directly acting on anything else.
Transitive:
* Meaning: To say something in a short, high-pitched sound.
* Example: The bird chirped a greeting.
* Structure: Subject + Verb + Direct Object
* Direct object: The greeting is the object of the bird's action.
Therefore, "chirped" can be both transitive and intransitive, depending on the context and whether it has a direct object.