Irritation (9)
'irritation' is the definition.
(I know that irritation can be written as annoyance)
This is all the clue.
(Other definitions for annoyance that I've seen before include "Irritation, vexation" , "trouble" , "Pain" , "Nuisance" , "Source of anger" .)
'irritation' is the definition.
(an itch irritates you)
This is all the clue.
(Other definitions for itch that I've seen before include "Craving" , "Impatient desire (colloq.)" , "Nagging wish" , "It needs to be scratched" , "Tickle; urge" .)