disquiet
1. [ noun ] a feeling of mild anxiety about possible developments
Synonyms: anxiousness
Related terms: anxiety perturb
2. [ verb ] disturb in mind or make uneasy or cause to be worried or alarmed
Synonyms: trouble perturb cark distract disorder unhinge
Examples:

"She was rather perturbed by the news that her father was seriously ill"

Related terms: disturb worry disturbance distraction anxiousness
3. [ noun ] the trait of seeming ill at ease
Synonyms: uneasiness unease
Related terms: discomposure perturb
Similar spelling:   dissuade