The most common and most likely answer to this crossword clue is the 9 letter word CONTRIVED
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Buddy explains!

The straight part
We know that "rather forced" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case rather forced = contrived.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 CONTRIVED mean?
CONTRIVED verb- To invent by an exercise of ingenuity; to devise
- To invent, to make devices; to form designs especially by improvisation.
- To project, cast, or set forth, as in a projection of light.
- To spend (time, or a period).
- Created in a deliberate, rather than natural or spontaneous, way.
- Unnatural, forced; artificial, or unrealistic.