Pronunciation: (sīk),[key] —v.t.Informal. 1. to intimidate or frighten psychologically, or make nervous (often fol. by out): to psych out the competition. 2. to prepare psychologically to be in the right frame of mind or to give one's best (often fol. by up): to psych oneself up for an interview. 3. to figure out psychologically; decipher (often fol. by out): to psych out a problem.Also,psyche.
Pronunciation: (sīk),[key] —n.Informal. psychology, esp. as a course or field of study: She took two semesters of psych in college.
var. of psycho- before some vowels: psychasthenia.