perturb

To disturb or confuse; make uneasy or anxious.

To cause (a system) to become altered or imbalanced from a normal state.

To cause perturbation in (the orbit of a celestial body, for example) by gravitational interaction.

To disturb greatly; agitate; disquiet.

To disorder; confuse; cause irregularity in.

To disturb; to agitate; to vex; to trouble; to disquiet.

To disorder; to confuse.

To disturb; to bother or unsettle.

To slightly modify the motion of an object.