Cause concern (7)
I believe the answer is:
perturb
(Other definitions for perturb that I've seen before include "Make unsettled" , "Disturb - trouble" , "Disturb greatly" , "Disquiet, disturb" , "Unsettle, make anxious" .)
I believe the answer is:
perturb
(Other definitions for perturb that I've seen before include "Make unsettled" , "Disturb - trouble" , "Disturb greatly" , "Disquiet, disturb" , "Unsettle, make anxious" .)