What is the meaning of somehow?

adverb

• In some unspecified way or manner; or by some unspecified means.
  • usage: "they managed somehow"; "he expected somehow to discover a woman who would love him"; "he tried to make is someway acceptable"
  • synonyms: someway, someways, in some way, in some manner
• For some unspecified reason.
  • usage: "It doesn't seem fair somehow"; "he had me dead to rights but somehow I got away with it";