In English, many past and present participles of verbs can be used as adjectives. Some of these examples may show the adjective use.
Was the middle of the sheetsalivatedon?
From theCambridge English Corpus
No, the side of the sheet wassalivatedon.
From theCambridge English Corpus
The dogs onlysalivatedupon hearing the bell "while wearing the harness".
From
Wikipedia
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.