Crossword Genius

Undoubtedly this examinee's at a loss! (7,8)

Ross

I believe the answer is:

without question

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

'undoubtedly' is the definition.
(I've seen this in another clue)

'examinee's at a loss' is the wordplay.
I cannot quite see how this works, but
'at' could be 'on' (location) and 'on' is found in the answer.
This explanation may well be incorrect...

'this' is the link.

Can you help me to learn more?

I've seen this clue in The Telegraph.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.