intransitive verb
Definition: To stick out or swell outward from a surface, often due to being full or overfilled.
Example: The bag began to bulge as I added more books to it.
noun
Definition: A part that sticks out or is swollen, often creating a curve or bump.
Example: There was a noticeable bulge in his pocket from the large wallet.
transitive verb
Definition: To make something stick out or curve outward from its normal shape.
Example: The pressure from the air caused the balloon to bulge.