1. Third person singular imperfect indicative form of 'desassossegar-se' (reflexive verb meaning to become uneasy, restless, or anxious)
He was becoming increasingly restless as he waited for news.
Ele desassossegava-se cada vez mais enquanto esperava notícias.
2. To lose one's peace of mind; to become disturbed or worried
She was growing anxious about the upcoming exam.
Ela desassossegava-se com o exame que se aproximava.