Not exactly gabbled, but distorted (7)

I believe the answer is:

garbled

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

'distorted' is the definition.
('garble' can be a synonym of 'distort')

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for garbled that I've seen before include "Disjointed, incoherent" , "Distorted - muddled" , "Unintentionally jumbled" , "Distorted, confused" , "Mixed-up" .)

I've seen this clue in the Evening Standard.

Want a hint initially instead of a full solution? Install my app