Pun adjectives are listed in this post. Each word below can often be found in front of the noun pun in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing PUN.
bad, good
little, obvious
own, poor
same, untranslatable
visual
Hope this word list had the adjective used with pun you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.
funny