Lost and found note with too much inside (9)
I believe the answer is:
forgotten
'lost' is the definition.
(similar in meaning)
'found note with too much inside' is the wordplay.
'found' becomes 'forge' (I've seen this in other clues).
'note with' becomes 'n' (abbreviation. I am not sure about the 'with' bit.).
'too much' becomes 'OTT' (short for over the top).
'inside' indicates putting letters inside.
'forge'+'n'='forgen'
'forgen' placed around 'ott' is 'FORGOTTEN'.
'and' is the link.
Can you help me to learn more?
(Other definitions for forgotten that I've seen before include "Ignored" , "Overlooked" , "Not accessible to memory" , "Unremembered" , "left behind" .)