Meaning of PERTURBED in English

PERTURBED

per ‧ turbed /pəˈtɜːbd $ pərˈtɜːrbd/ BrE AmE adjective formal

[ Date: 1300-1400 ; Language: Old French ; Origin: perturber , from Latin perturbare ]

worried about something that has happened or will happen:

William looked a little perturbed.

perturbed by/at/about

He didn’t seem perturbed by the noises outside.

perturbed that

He was perturbed that she didn’t look happy.

—perturb verb [transitive] :

My unexpected arrival didn’t perturb him in the least.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.