per·turb 
/pɚˈtɚb/ verb
per·turbs; per·turbed; per·turb·ing /pɚˈtɚb/ verb [+ obj] : to cause (someone) to be worried or upset
▪ It perturbed him that his son was thinking about leaving school.
▪ It perturbed him that his son was thinking about leaving school.
— perturbed adjective [more perturbed; most perturbed]
▪ She was so perturbed that she forgot to say goodbye. ▪ perturbed behavior ▪ He looked very perturbed when he heard the news.
▪ She was so perturbed that she forgot to say goodbye. ▪ perturbed behavior ▪ He looked very perturbed when he heard the news.
