psychological

psychological /ˌsaɪkəˈlɑːʤɪkəl/ adjective
also US psychologic /ˌsaɪkəˈlɑːʤɪk/
psychological
/ˌsaɪkəˈlɑːʤɪkəl/
adjective
also US psychologic /ˌsaɪkəˈlɑːʤɪk/
Britannica Dictionary definition of PSYCHOLOGICAL
1 
: of or relating to the mind : mental
2 
: of or relating to the study of the mind : of or relating to psychology

psychological warfare

: things that are done to make someone (such as an enemy or opponent) become less confident or feel hopeless, afraid, etc.

— psychologically

/ˌsaɪkəˈlɑːʤɪkli/ adverb