Bonsai maybe not right, wife's interjected - too quaint? (4)
I believe the answer is:
twee
'too quaint?' is the definition.
(I've seen this before)
'bonsai maybe not right wife's interjected' is the wordplay.
I cannot quite see how this works, but
'wife' could be 'w' (abbreviation) and 'w' is present in the answer.
The remaining letters 'tee' is a valid word which might be clued in a way I don't see.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for twee that I've seen before include "Affectedly sweet" , "Overly cute" , "Excessively quaint" , "rather quaint" , "Affectedly dainty or quaint" .)