Summon back to city demonstrating ludicrous change (8)
I believe the answer is:
bathetic
'demonstrating ludicrous change' is the definition.
I can't tell whether this definition defines the answer.
'summon back to city' is the wordplay.
'summon' becomes 'cite' (synonyms).
'back' is a reversal indicator.
'to' says to put letters next to each other (I've seen this in other clues).
'city' becomes 'bath' (English city).
'cite' back-to-front is 'etic'.
'etic' after 'bath' is 'BATHETIC'.
Can you help me to learn more?
(Other definitions for bathetic that I've seen before include "causing anticlimax" , "sentimental" , "Anticlimactic" .)