Very soppy, like a family film after son cheers up (9)

I believe the answer is:

saturated

I'm a little stuck... Click here to teach me more about this clue!

'very soppy' is the definition.
'saturated' can be an answer for 'soppy' (synonyms). I am unsure of the 'very' bit.

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for saturated that I've seen before include "Thoroughly soaked" , "Such fat as may cause disease" , "Extremely wet" , "Sodden" , "Imbued" .)

I've seen this clue in The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.