'Psychological' definitions:

Definition of 'psychological'

From: WordNet
adjective
Mental or emotional as opposed to physical in nature; "give psychological support"; "psychological warfare"
adjective
Of or relating to or determined by psychology; "psychological theories"

Definition of 'Psychological'

From: GCIDE
  • Psychologic \Psy`cho*log"ic\, Psychological \Psy`cho*log"ic*al\, a. [Cf. F. psychologique.] Of or pertaining to psychology. See Note under Psychic. -- {Psy`cho*log"ic*al*ly}, adv. [1913 Webster]