soul searching

Short definition from Wiktionary

Noun

1. 1
   Alternative spelling of soul-searching.
2. 2
   Probing introspection; a critical consideration of one's conscience; also, an instance of such consideration.

Adjective

1. 1
   Alternative spelling of soul-searching.
2. 2
   Involving probing introspection, or a critical consideration of one's conscience, especially motives and values.

Verb

1. 1
   present participle and gerund of soul search
2. 2
   present participle and gerund of soul-search