Full-blown (adjective)

1. Fully developed or matured.
2. Fully established or realized.

Origin:

The word "full-blown" is formed by combining the adjective "full" meaning "complete" or "having reached maturity" and the adverb "blown" meaning "having reached a state of full development or perfection.".

Examples:

1. The patient has a full-blown case of pneumonia.
2. The company's new product is a full-blown success.
3. He had a full-blown panic attack.
4. The argument turned into a full-blown fight.
5. The economy is in a full-blown recession.