No real way to go in a bus (5)
I believe the answer is:
bogus
'no real' is the definition.
Both the answer and definition are adjectives. Perhaps you can see an association between them that I don't see?
'way to go in a bus' is the wordplay.
'way to go' becomes 'og' (I can't justify this - if you can you should give a lot more credence to this answer).
'in' is an insertion indicator.
'og' placed inside 'bus' is 'BOGUS'.
Can you help me to learn more?
(Other definitions for bogus that I've seen before include "Fraudulent, fake" , "Sham, phoney" , "taking one for a ride?" , "Not true" , "Not genuine, sham" .)