The most common and most likely answer to this crossword clue is the 10 letter word CANTILEVER
I've seen this crossword clue in Financial Times
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More clues leading to the result CANTILEVER
- Am I not able to prize open-ended support?
- Travel, going around with cine projector
- Against cutting sharp supporting beam
- Is there no way for me to bar projected supporter?
- Am I not able to celebrate rising support?
- Question – “aren’t I able to use force?” – needs support
- May I not revel in playing bridge, say?
- Won’t you let me delight over support for bridge?
- A tin recycled in cunning mechanical device
- Support for bridge clubs constantly taking against learner
Buddy explains!

The straight part
We know that "suppor" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case suppor = cantilever.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 CANTILEVER mean?
CANTILEVER noun- A beam anchored at one end and projecting into space, such as a long bracket projecting from a wall to support a balcony.
- A beam anchored at one end and used as a lever within a microelectromechanical system.
- A technique, similar to the spread eagle, in which the skater travels along a deep edge with knees bent and bends their back backwards, parallel to the ice.
- To project (something) in the manner of or by means of a cantilever.