Dictionary.com
Thesaurus.com

cyclothymia vs. dysthymia

[sahy-kluh-thahy-mee-uh, sik-luh-] / ˌsaɪ kləˈθaɪ mi ə, ˌsɪk lə- /

noun

Psychiatry.
  1. a mild bipolar disorder characterized by instability of mood and a tendency to swing between mild euphorias and depressions.

[dis-thahy-mee-uh] / dɪsˈθaɪ mi ə /

noun

  1. depression; despondency or a tendency to be despondent.