(psychology) Any of various disorders characterised by disturbance in an individual's mood.

a neurologic disorder characterized by episodes of uncontrollable laughing and/or crying, or other emotional displays

Misspelling of side-effect.

Misspelling of side effect.

disaffected

(law) A common law tort that can be brought against the third party alleged to be responsible for the failure of marriage; abolished in many jurisdictions.

plural of flat affect

Work carried out in order to produce a specific emotional response in people.

(law) Estrangement or loss of affection between two people who have a claim on each other's affections (such as two spouses or a parent and child) that is willfully caused by interference from a third party.

(obsolete, mathematics) A polynomial equation in two variables