Crossword Genius

Turning on crazy wanderer (5)

Ross

I believe the answer is:

nomad

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

'turning on crazy' is the wordplay.
'turning' is a reversal indicator.
'crazy' becomes 'mad' (synonyms).
'on' back-to-front is 'no'.
'no'+'mad'='NOMAD'

(Other definitions for nomad that I've seen before include "A wandering tribesman" , "Person wandering" , "being domestically unstable" , "Roamer" , "one of those with no fixed home" .)

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