(art) the branch of philosophy dealing with beauty and taste (emphasizing the evaluative criteria that are applied to art); "traditional aesthetics assumed the existence of universal and timeless criteria of artistic value"
the state of needing something that is absent or unavailable; "there is a serious lack of insight into the problem"; "water is the critical deficiency in desert regions"; "for want of a nail the shoe was lost"
a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud; "his physician recommended psychoanalysis"