Trivial misgiving (6)
I believe the answer is:
niggle
(Other definitions for niggle that I've seen before include "Cause slight annoyance" , "Petty annoyance" , "Annoy slightly" , "Grumble" , "Get" .)
I believe the answer is:
niggle
(Other definitions for niggle that I've seen before include "Cause slight annoyance" , "Petty annoyance" , "Annoy slightly" , "Grumble" , "Get" .)