1. states of anxiety, worry, or mental uneasiness
2. disturbances or disruptions of a normal state or condition
3. deviations in the motion of celestial bodies caused by gravitational forces
Usage: astronomy

Examples

• The stock market perturbations caused widespread investor anxiety.
• Small perturbations in the ecosystem can have major consequences.
• The scientist studied perturbations in the planet’s orbit.
• Political perturbations affected the country’s stability.
• Weather perturbations disrupted the flight schedule.
• The perturbations in her daily routine left her feeling unsettled.