The most common and most likely answer to this crossword clue is the 10 letter word TEARJERKER
T
E
A
R
J
E
R
K
E
R
More clues leading to the result TEARJERKER
Buddy explains!
The straight part
We know that "Sentimental film" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sentimental film = tearjerker.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TEARJERKER mean?
TEARJERKER noun- An emotionally charged film, novel, song, opera, television episode, etc., usually with one or more sad passages or ending, so termed because it suggests one is likely to cry during its performance.