The action or an act of searching a soul, or the soul.
Origin
Mid 17th century; earliest use found in Nicholas Billingsley (bap. 1633, d. 1709), religious poet and Presbyterian minister. From soul + search, after soul-searching.
Definition of soul search in US English:
soul search
nounˈsəʊl səːtʃ
The action or an act of searching a soul, or the soul.
Origin
Mid 17th century; earliest use found in Nicholas Billingsley (bap. 1633, d. 1709), religious poet and Presbyterian minister. From soul + search, after soul-searching.