Crossword Genius

Clumsy fiancé regularly falls out with personal trainer (5)

Ross

I believe the answer is:

inept

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

'clumsy' is the definition.
(synonyms)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for inept that I've seen before include "Clumsy - silly" , "Amateurish" , "Incompetent or gauche" , "Maladroit" , "Not competent" .)

I've seen this clue in The Independent.
Want a hint initially instead of a full solution? Install my app