This is the 12296th most frequent German word.
vermisste
"Vermisste" means "missing person" in English.
Here, 'vermisste' is used as the past tense of the verb 'vermissen', indicating that the subject (I) missed someone.
Ich vermisste meinen alten Freund aus der Schulzeit.
I missed my old friend from school times.
In this sentence, 'vermisste' is used as a past participle adjective to describe the dog that is missing.
Die Kinder suchten nach ihrem vermissten Hund.
The children looked for their missing dog.
Here 'vermisste' qualifies 'Person' as an adjective, describing that the person was missing.