No wildly keen traveller! (5)

I believe the answer is:

nomad

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

'traveller' is the definition.
(nomad is a kind of traveller)

'no wildly keen' is the wordplay.
'wildly keen' becomes 'mad' (both can mean enthusiastic about. I am not sure about the 'wildly' bit.).
'no'+'mad'='NOMAD'

Can you help me to learn more?

(Other definitions for nomad that I've seen before include "Member of travelling people" , "Person always on the move" , "Traveller with no permanent home" , "one must move on" , "Roamer" .)

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